864297232 has 40 divisors (see below), whose sum is σ = 1771964960. Its totient is φ = 407255040.

The previous prime is 864297223. The next prime is 864297281. The reversal of 864297232 is 232792468.

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, 51307 + ... + 66037.

It is an arithmetic number, because the mean of its divisors is an integer number (44299124).

Almost surely, 2^864297232 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 864297232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (885982480).

864297232 is an abundant number, since it is smaller than the sum of its proper divisors (907667728).

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

864297232 is a wasteful number, since it uses less digits than its factorization.

864297232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14951 (or 14945 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 864297232 is about 29398.9324976265. The cubic root of 864297232 is about 952.5498377305.

The spelling of 864297232 in words is "eight hundred sixty-four million, two hundred ninety-seven thousand, two hundred thirty-two".