6864534 has 32 divisors (see below), whose sum is σ = 15920640. Its totient is φ = 2188296.

The previous prime is 6864523. The next prime is 6864541. The reversal of 6864534 is 4354686.

6864534 is a `hidden beast` number, since 6 + 8 + 645 + 3 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522 + ... + 4005.

It is an arithmetic number, because the mean of its divisors is an integer number (497520).

Almost surely, 2^6864534 is an apocalyptic number.

6864534 is an abundant number, since it is smaller than the sum of its proper divisors (9056106).

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

6864534 is a wasteful number, since it uses less digits than its factorization.

6864534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561 (or 5555 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 6864534 is about 2620.0255723943. The cubic root of 6864534 is about 190.0510850632.

The spelling of 6864534 in words is "six million, eight hundred sixty-four thousand, five hundred thirty-four".