6336639 has 12 divisors (see below), whose sum is σ = 9244872. Its totient is φ = 4182000.

The previous prime is 6336623. The next prime is 6336641. The reversal of 6336639 is 9366336.

It is not a de Polignac number, because 6336639 - 2⁴ = 6336623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6336439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2577 + ... + 4394.

It is an arithmetic number, because the mean of its divisors is an integer number (770406).

Almost surely, 2^6336639 is an apocalyptic number.

6336639 is a deficient number, since it is larger than the sum of its proper divisors (2908233).

6336639 is a wasteful number, since it uses less digits than its factorization.

6336639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078 (or 7075 counting only the distinct ones).

The product of its digits is 52488, while the sum is 36.

The square root of 6336639 is about 2517.2681621154. The cubic root of 6336639 is about 185.0488208138.

The spelling of 6336639 in words is "six million, three hundred thirty-six thousand, six hundred thirty-nine".