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9830397 = 33276799
BaseRepresentation
bin100101011111…
…111111111101
3200111102202210
4211133333331
510004033042
6550411033
7146362023
oct45377775
920442683
109830397
1156047a5
123360a79
132062605
14143c713
15ce2a9c
hex95fffd

9830397 has 4 divisors (see below), whose sum is σ = 13107200. Its totient is φ = 6553596.

The previous prime is 9830393. The next prime is 9830413. The reversal of 9830397 is 7930389.

It is a happy number.

9830397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9830397 - 22 = 9830393 is a prime.

It is a Duffinian number.

9830397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9830393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1638397 + ... + 1638402.

It is an arithmetic number, because the mean of its divisors is an integer number (3276800).

Almost surely, 29830397 is an apocalyptic number.

It is an amenable number.

9830397 is a deficient number, since it is larger than the sum of its proper divisors (3276803).

9830397 is a wasteful number, since it uses less digits than its factorization.

9830397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276802.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 9830397 is about 3135.3463923465. The cubic root of 9830397 is about 214.2185222349.

The spelling of 9830397 in words is "nine million, eight hundred thirty thousand, three hundred ninety-seven".

Divisors: 1 3 3276799 9830397