6338664 has 24 divisors (see below), whose sum is σ = 17167410. Its totient is φ = 2112864.

The previous prime is 6338653. The next prime is 6338701. The reversal of 6338664 is 4668336.

It can be written as a sum of positive squares in only one way, i.e., 4796100 + 1542564 = 2190^2 + 1242^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×6338664² = 80357322609792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43947 + ... + 44090.

Almost surely, 2^6338664 is an apocalyptic number.

It is an amenable number.

6338664 is an abundant number, since it is smaller than the sum of its proper divisors (10828746).

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

6338664 is a wasteful number, since it uses less digits than its factorization.

6338664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88049 (or 88042 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 6338664 is about 2517.6703517339. The cubic root of 6338664 is about 185.0685307343.

The spelling of 6338664 in words is "six million, three hundred thirty-eight thousand, six hundred sixty-four".