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4399489 = 311391021
BaseRepresentation
bin10000110010000110000001
322021111222001
4100302012001
52111240424
6234144001
752252333
oct20620601
98244861
104399489
112535446
121582001
13bb0663
14827453
155bd844
hex432181

4399489 has 8 divisors (see below), whose sum is σ = 4578560. Its totient is φ = 4222800.

The previous prime is 4399471. The next prime is 4399511. The reversal of 4399489 is 9849934.

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 4399489 - 25 = 4399457 is a prime.

It is a super-2 number, since 2×43994892 = 38711006922242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4399289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3799 + ... + 4819.

It is an arithmetic number, because the mean of its divisors is an integer number (572320).

Almost surely, 24399489 is an apocalyptic number.

It is an amenable number.

4399489 is a deficient number, since it is larger than the sum of its proper divisors (179071).

4399489 is a wasteful number, since it uses less digits than its factorization.

4399489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191.

The product of its digits is 279936, while the sum is 46.

The square root of 4399489 is about 2097.4958879578. The cubic root of 4399489 is about 163.8579103417.

The spelling of 4399489 in words is "four million, three hundred ninety-nine thousand, four hundred eighty-nine".

Divisors: 1 31 139 1021 4309 31651 141919 4399489