923664928 has 48 divisors (see below), whose sum is σ = 1860255936. Its totient is φ = 451319040.

The previous prime is 923664899. The next prime is 923664941. The reversal of 923664928 is 829466329.

It is a happy number.

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, 316725 + ... + 319627.

It is an arithmetic number, because the mean of its divisors is an integer number (38755332).

Almost surely, 2^923664928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 923664928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (930127968).

923664928 is an abundant number, since it is smaller than the sum of its proper divisors (936591008).

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

923664928 is a wasteful number, since it uses less digits than its factorization.

923664928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137 (or 3129 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 49.

The square root of 923664928 is about 30391.8562776281. The cubic root of 923664928 is about 973.8785890124.

The spelling of 923664928 in words is "nine hundred twenty-three million, six hundred sixty-four thousand, nine hundred twenty-eight".