913865920 has 56 divisors (see below), whose sum is σ = 2373983568. Its totient is φ = 332313600.

The previous prime is 913865879. The next prime is 913865941. The reversal of 913865920 is 29568319.

It is a happy number.

913865920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126291 + ... + 133330.

Almost surely, 2^913865920 is an apocalyptic number.

It is an amenable number.

913865920 is an abundant number, since it is smaller than the sum of its proper divisors (1460117648).

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

913865920 is a wasteful number, since it uses less digits than its factorization.

913865920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259649 (or 259639 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 913865920 is about 30230.2153482240. The cubic root of 913865920 is about 970.4224326485.

The spelling of 913865920 in words is "nine hundred thirteen million, eight hundred sixty-five thousand, nine hundred twenty".