6866900 has 18 divisors (see below), whose sum is σ = 14901390. Its totient is φ = 2746720.

The previous prime is 6866887. The next prime is 6866927. The reversal of 6866900 is 96686.

It can be written as a sum of positive squares in 3 ways, for example, as 2347024 + 4519876 = 1532^2 + 2126^2 .

It is a super-2 number, since 2×6866900² = 94308631220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34235 + ... + 34434.

It is an arithmetic number, because the mean of its divisors is an integer number (827855).

Almost surely, 2^6866900 is an apocalyptic number.

It is an amenable number.

6866900 is an abundant number, since it is smaller than the sum of its proper divisors (8034490).

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

6866900 is a wasteful number, since it uses less digits than its factorization.

6866900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68683 (or 68676 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 6866900 is about 2620.4770558049. The cubic root of 6866900 is about 190.0729175341.

The spelling of 6866900 in words is "six million, eight hundred sixty-six thousand, nine hundred".