94991904 has 72 divisors (see below), whose sum is σ = 308730240. Its totient is φ = 27139968.

The previous prime is 94991881. The next prime is 94991917. The reversal of 94991904 is 40919949.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 94991904.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21544 + ... + 25575.

It is an arithmetic number, because the mean of its divisors is an integer number (4287920).

Almost surely, 2^94991904 is an apocalyptic number.

It is an amenable number.

94991904 is an abundant number, since it is smaller than the sum of its proper divisors (213738336).

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

94991904 is a wasteful number, since it uses less digits than its factorization.

94991904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47142 (or 47131 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 94991904 is about 9746.3790199232. The cubic root of 94991904 is about 456.2773013250.

The spelling of 94991904 in words is "ninety-four million, nine hundred ninety-one thousand, nine hundred four".