864934968 has 32 divisors (see below), whose sum is σ = 2232092160. Its totient is φ = 279011040.

The previous prime is 864934951. The next prime is 864934969. The reversal of 864934968 is 869439468.

It is a super-2 number, since 2×864934968² = 1496224997738322048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864934969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580530 + ... + 582017.

It is an arithmetic number, because the mean of its divisors is an integer number (69752880).

Almost surely, 2^864934968 is an apocalyptic number.

It is an amenable number.

864934968 is an abundant number, since it is smaller than the sum of its proper divisors (1367157192).

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

864934968 is a wasteful number, since it uses less digits than its factorization.

864934968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162587 (or 1162583 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 57.

The square root of 864934968 is about 29409.7767417572. The cubic root of 864934968 is about 952.7840650118.

The spelling of 864934968 in words is "eight hundred sixty-four million, nine hundred thirty-four thousand, nine hundred sixty-eight".