6886864 has 20 divisors (see below), whose sum is σ = 13385056. Its totient is φ = 3432672.

The previous prime is 6886843. The next prime is 6886883. The reversal of 6886864 is 4686886.

It is a congruent number.

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, 7957 + ... + 8779.

Almost surely, 2^6886864 is an apocalyptic number.

It is an amenable number.

6886864 is a deficient number, since it is larger than the sum of its proper divisors (6498192).

6886864 is a wasteful number, since it uses less digits than its factorization.

6886864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1348 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 6886864 is about 2624.2835212682. The cubic root of 6886864 is about 190.2569377041.

It can be divided in two parts, 6886 and 864, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 6886864 in words is "six million, eight hundred eighty-six thousand, eight hundred sixty-four".