931428264 has 128 divisors (see below), whose sum is σ = 2619993600. Its totient is φ = 273960960.

The previous prime is 931428257. The next prime is 931428331. The reversal of 931428264 is 462824139.

It is a super-2 number, since 2×931428264² = 1735117221956107392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1021969 + ... + 1022879.

It is an arithmetic number, because the mean of its divisors is an integer number (20468700).

Almost surely, 2^931428264 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 931428264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309996800).

931428264 is an abundant number, since it is smaller than the sum of its proper divisors (1688565336).

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

931428264 is a wasteful number, since it uses less digits than its factorization.

931428264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075 (or 1071 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 931428264 is about 30519.3096907515. The cubic root of 931428264 is about 976.5994397200.

The spelling of 931428264 in words is "nine hundred thirty-one million, four hundred twenty-eight thousand, two hundred sixty-four".