912901872 has 20 divisors (see below), whose sum is σ = 2358329960. Its totient is φ = 304300608.

The previous prime is 912901837. The next prime is 912901889. The reversal of 912901872 is 278109219.

It is a super-2 number, since 2×912901872² = 1666779655802208768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 912901872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9509347 + ... + 9509442.

It is an arithmetic number, because the mean of its divisors is an integer number (117916498).

Almost surely, 2^912901872 is an apocalyptic number.

It is an amenable number.

912901872 is an abundant number, since it is smaller than the sum of its proper divisors (1445428088).

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

912901872 is a wasteful number, since it uses less digits than its factorization.

912901872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19018800 (or 19018794 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 912901872 is about 30214.2660344414. The cubic root of 912901872 is about 970.0810758746.

The spelling of 912901872 in words is "nine hundred twelve million, nine hundred one thousand, eight hundred seventy-two".