6369864 has 64 divisors (see below), whose sum is σ = 17112000. Its totient is φ = 1969920.

The previous prime is 6369859. The next prime is 6369887. The reversal of 6369864 is 4689636.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27702 + ... + 27930.

It is an arithmetic number, because the mean of its divisors is an integer number (267375).

Almost surely, 2^6369864 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 6369864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8556000).

6369864 is an abundant number, since it is smaller than the sum of its proper divisors (10742136).

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

6369864 is a wasteful number, since it uses less digits than its factorization.

6369864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 314 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 6369864 is about 2523.8589501000. The cubic root of 6369864 is about 185.3716803260.

The spelling of 6369864 in words is "six million, three hundred sixty-nine thousand, eight hundred sixty-four".