99904265 has 16 divisors (see below), whose sum is σ = 123076800. Its totient is φ = 77808192.

The previous prime is 99904253. The next prime is 99904271. The reversal of 99904265 is 56240999.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99904265 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89531 + ... + 90639.

It is an arithmetic number, because the mean of its divisors is an integer number (7692300).

Almost surely, 2^99904265 is an apocalyptic number.

It is an amenable number.

99904265 is a deficient number, since it is larger than the sum of its proper divisors (23172535).

99904265 is a wasteful number, since it uses less digits than its factorization.

99904265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 99904265 is about 9995.2121038025. The cubic root of 99904265 is about 464.0107152326.

The spelling of 99904265 in words is "ninety-nine million, nine hundred four thousand, two hundred sixty-five".