6864522 has 32 divisors (see below), whose sum is σ = 15818112. Its totient is φ = 1945344.

The previous prime is 6864521. The next prime is 6864523. The reversal of 6864522 is 2254686.

It is an interprime number because it is at equal distance from previous prime (6864521) and next prime (6864523).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6864521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5158 + ... + 6350.

It is an arithmetic number, because the mean of its divisors is an integer number (494316).

Almost surely, 2^6864522 is an apocalyptic number.

6864522 is an abundant number, since it is smaller than the sum of its proper divisors (8953590).

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

6864522 is a wasteful number, since it uses less digits than its factorization.

6864522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342.

The product of its digits is 23040, while the sum is 33.

The square root of 6864522 is about 2620.0232823393. The cubic root of 6864522 is about 190.0509743194.

The spelling of 6864522 in words is "six million, eight hundred sixty-four thousand, five hundred twenty-two".