864814732 has 6 divisors (see below), whose sum is σ = 1513425788. Its totient is φ = 432407364.

The previous prime is 864814669. The next prime is 864814733. The reversal of 864814732 is 237418468.

It is not an unprimeable number, because it can be changed into a prime (864814733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108101838 + ... + 108101845.

Almost surely, 2^864814732 is an apocalyptic number.

It is an amenable number.

864814732 is a deficient number, since it is larger than the sum of its proper divisors (648611056).

864814732 is a wasteful number, since it uses less digits than its factorization.

864814732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216203687 (or 216203685 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 864814732 is about 29407.7325205464. The cubic root of 864814732 is about 952.7399136178.

The spelling of 864814732 in words is "eight hundred sixty-four million, eight hundred fourteen thousand, seven hundred thirty-two".