6366864 has 60 divisors (see below), whose sum is σ = 19140144. Its totient is φ = 1818432.

The previous prime is 6366859. The next prime is 6366869. The reversal of 6366864 is 4686636.

It is an interprime number because it is at equal distance from previous prime (6366859) and next prime (6366869).

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

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6366869) 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, 999 + ... + 3705.

Almost surely, 2^6366864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6366864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9570072).

6366864 is an abundant number, since it is smaller than the sum of its proper divisors (12773280).

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

6366864 is a wasteful number, since it uses less digits than its factorization.

6366864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732 (or 2719 counting only the distinct ones).

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

The square root of 6366864 is about 2523.2645521229. The cubic root of 6366864 is about 185.3425744002.

The spelling of 6366864 in words is "six million, three hundred sixty-six thousand, eight hundred sixty-four".