6864912 has 50 divisors (see below), whose sum is σ = 19872798. Its totient is φ = 2287872.

The previous prime is 6864911. The next prime is 6864937. The reversal of 6864912 is 2194686.

6864912 is a `hidden beast` number, since 6 + 8 + 649 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6533136 + 331776 = 2556^2 + 576^2 .

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 not an unprimeable number, because it can be changed into a prime (6864911) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1353 + ... + 3944.

Almost surely, 2^6864912 is an apocalyptic number.

It is an amenable number.

6864912 is an abundant number, since it is smaller than the sum of its proper divisors (13007886).

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

6864912 is a wasteful number, since it uses less digits than its factorization.

6864912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317 (or 5302 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 6864912 is about 2620.0977081017. The cubic root of 6864912 is about 190.0545734278.

It can be divided in two parts, 6864 and 912, that added together give a 5-th power (7776 = 6⁵).

The spelling of 6864912 in words is "six million, eight hundred sixty-four thousand, nine hundred twelve".