99257904 has 30 divisors (see below), whose sum is σ = 277784676. Its totient is φ = 33085920.

The previous prime is 99257863. The next prime is 99257909. The reversal of 99257904 is 40975299.

It is a self number, because there is not a number n which added to its sum of digits gives 99257904.

It is not an unprimeable number, because it can be changed into a prime (99257909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 344502 + ... + 344789.

Almost surely, 2^99257904 is an apocalyptic number.

It is an amenable number.

99257904 is an abundant number, since it is smaller than the sum of its proper divisors (178526772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99257904 is a wasteful number, since it uses less digits than its factorization.

99257904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689305 (or 689296 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 99257904 is about 9962.8261050768. The cubic root of 99257904 is about 463.0078632547.

The spelling of 99257904 in words is "ninety-nine million, two hundred fifty-seven thousand, nine hundred four".