921265968 has 80 divisors (see below), whose sum is σ = 2813748480. Its totient is φ = 254139648.

The previous prime is 921265963. The next prime is 921265973. The reversal of 921265968 is 869562129.

It is an interprime number because it is at equal distance from previous prime (921265963) and next prime (921265973).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (921265963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37530 + ... + 57017.

It is an arithmetic number, because the mean of its divisors is an integer number (35171856).

Almost surely, 2^921265968 is an apocalyptic number.

It is an amenable number.

921265968 is an abundant number, since it is smaller than the sum of its proper divisors (1892482512).

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

921265968 is a wasteful number, since it uses less digits than its factorization.

921265968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94594 (or 94588 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 921265968 is about 30352.3634664584. The cubic root of 921265968 is about 973.0347327407.

The spelling of 921265968 in words is "nine hundred twenty-one million, two hundred sixty-five thousand, nine hundred sixty-eight".