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998064449 = 1978116247
BaseRepresentation
bin111011011111010…
…100000101000001
32120120000221000222
4323133110011001
54021001030244
6243011552425
733506256614
oct7337240501
92516027028
10998064449
11472421658
1223a2bb715
1312ba101a5
14967a617b
155c94cbee
hex3b7d4141

998064449 has 8 divisors (see below), whose sum is σ = 1004528448. Its totient is φ = 991614960.

The previous prime is 998064427. The next prime is 998064451. The reversal of 998064449 is 944460899.

It is a happy number.

998064449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 998064449 - 216 = 997998913 is a prime.

It is a super-2 number, since 2×9980644492 = 1992265288715347202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 998064449.

It is not an unprimeable number, because it can be changed into a prime (998064479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156644 + ... + 162890.

It is an arithmetic number, because the mean of its divisors is an integer number (125566056).

Almost surely, 2998064449 is an apocalyptic number.

It is an amenable number.

998064449 is a deficient number, since it is larger than the sum of its proper divisors (6463999).

998064449 is a wasteful number, since it uses less digits than its factorization.

998064449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7255.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The square root of 998064449 is about 31592.1580301188. The cubic root of 998064449 is about 999.3543996232.

The spelling of 998064449 in words is "nine hundred ninety-eight million, sixty-four thousand, four hundred forty-nine".

Divisors: 1 197 811 6247 159767 1230659 5066317 998064449