6686364 has 12 divisors (see below), whose sum is σ = 15601544. Its totient is φ = 2228784.

The previous prime is 6686363. The next prime is 6686413. The reversal of 6686364 is 4636866.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6686363) 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, 278587 + ... + 278610.

Almost surely, 2^6686364 is an apocalyptic number.

It is an amenable number.

6686364 is an abundant number, since it is smaller than the sum of its proper divisors (8915180).

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

6686364 is a wasteful number, since it uses less digits than its factorization.

6686364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557204 (or 557202 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 6686364 is about 2585.8004563384. The cubic root of 6686364 is about 188.3923825248.

The spelling of 6686364 in words is "six million, six hundred eighty-six thousand, three hundred sixty-four".