8432864 has 24 divisors (see below), whose sum is σ = 18112248. Its totient is φ = 3832960.

The previous prime is 8432861. The next prime is 8432873. The reversal of 8432864 is 4682348.

It is a super-2 number, since 2×8432864² = 142226390484992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8432861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11627 + ... + 12330.

It is an arithmetic number, because the mean of its divisors is an integer number (754677).

Almost surely, 2^8432864 is an apocalyptic number.

It is an amenable number.

8432864 is an abundant number, since it is smaller than the sum of its proper divisors (9679384).

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

8432864 is a wasteful number, since it uses less digits than its factorization.

8432864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23978 (or 23970 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 8432864 is about 2903.9393933070. The cubic root of 8432864 is about 203.5440283689.

The spelling of 8432864 in words is "eight million, four hundred thirty-two thousand, eight hundred sixty-four".