913661904 has 40 divisors (see below), whose sum is σ = 2398994272. Its totient is φ = 299560320.

The previous prime is 913661897. The next prime is 913661909. The reversal of 913661904 is 409166319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913661909) 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, 153094 + ... + 158949.

Almost surely, 2^913661904 is an apocalyptic number.

It is an amenable number.

913661904 is an abundant number, since it is smaller than the sum of its proper divisors (1485332368).

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

913661904 is a wasteful number, since it uses less digits than its factorization.

913661904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312115 (or 312109 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 913661904 is about 30226.8407876179. The cubic root of 913661904 is about 970.3502132878.

The spelling of 913661904 in words is "nine hundred thirteen million, six hundred sixty-one thousand, nine hundred four".