6433864 has 16 divisors (see below), whose sum is σ = 12453120. Its totient is φ = 3113040.

The previous prime is 6433841. The next prime is 6433909. The reversal of 6433864 is 4683346.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12724 + ... + 13219.

It is an arithmetic number, because the mean of its divisors is an integer number (778320).

Almost surely, 2^6433864 is an apocalyptic number.

It is an amenable number.

6433864 is a deficient number, since it is larger than the sum of its proper divisors (6019256).

6433864 is a wasteful number, since it uses less digits than its factorization.

6433864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25980 (or 25976 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 6433864 is about 2536.5062586164. The cubic root of 6433864 is about 185.9904415638.

The spelling of 6433864 in words is "six million, four hundred thirty-three thousand, eight hundred sixty-four".