6634864 has 10 divisors (see below), whose sum is σ = 12855080. Its totient is φ = 3317424.

The previous prime is 6634853. The next prime is 6634871. The reversal of 6634864 is 4684366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207324 + ... + 207355.

It is an arithmetic number, because the mean of its divisors is an integer number (1285508).

Almost surely, 2^6634864 is an apocalyptic number.

It is an amenable number.

6634864 is a deficient number, since it is larger than the sum of its proper divisors (6220216).

6634864 is a wasteful number, since it uses less digits than its factorization.

6634864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414687 (or 414681 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 6634864 is about 2575.8229752838. The cubic root of 6634864 is about 187.9074540731.

The spelling of 6634864 in words is "six million, six hundred thirty-four thousand, eight hundred sixty-four".