6889564 has 24 divisors (see below), whose sum is σ = 13579776. Its totient is φ = 3030000.

The previous prime is 6889549. The next prime is 6889613. The reversal of 6889564 is 4659886.

It is a super-2 number, since 2×6889564² = 94932184220192, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6 + 8³ + 8⁷ + 9⁷ + 5³ + 6⁵ + 4⁵ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162 + ... + 3889.

It is an arithmetic number, because the mean of its divisors is an integer number (565824).

Almost surely, 2^6889564 is an apocalyptic number.

It is an amenable number.

6889564 is a deficient number, since it is larger than the sum of its proper divisors (6690212).

6889564 is a wasteful number, since it uses less digits than its factorization.

6889564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097 (or 5095 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 6889564 is about 2624.7978969818. The cubic root of 6889564 is about 190.2817979122.

The spelling of 6889564 in words is "six million, eight hundred eighty-nine thousand, five hundred sixty-four".