99904456 has 32 divisors (see below), whose sum is σ = 196401600. Its totient is φ = 47551680.

The previous prime is 99904439. The next prime is 99904457. The reversal of 99904456 is 65440999.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (99904457) 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, 40951 + ... + 43321.

It is an arithmetic number, because the mean of its divisors is an integer number (6137550).

Almost surely, 2^99904456 is an apocalyptic number.

It is an amenable number.

99904456 is a deficient number, since it is larger than the sum of its proper divisors (96497144).

99904456 is a wasteful number, since it uses less digits than its factorization.

99904456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629 (or 2625 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 99904456 is about 9995.2216583726. The cubic root of 99904456 is about 464.0110109357.

The spelling of 99904456 in words is "ninety-nine million, nine hundred four thousand, four hundred fifty-six".