6890564 has 12 divisors (see below), whose sum is σ = 12078864. Its totient is φ = 3439464.

The previous prime is 6890549. The next prime is 6890579. The reversal of 6890564 is 4650986.

It is an interprime number because it is at equal distance from previous prime (6890549) and next prime (6890579).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2267 + ... + 4349.

It is an arithmetic number, because the mean of its divisors is an integer number (1006572).

Almost surely, 2^6890564 is an apocalyptic number.

It is an amenable number.

6890564 is a deficient number, since it is larger than the sum of its proper divisors (5188300).

6890564 is a wasteful number, since it uses less digits than its factorization.

6890564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914 (or 2912 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 6890564 is about 2624.9883809267. The cubic root of 6890564 is about 190.2910037483.

The spelling of 6890564 in words is "six million, eight hundred ninety thousand, five hundred sixty-four".