6864680 has 16 divisors (see below), whose sum is σ = 15445620. Its totient is φ = 2745856.

The previous prime is 6864661. The next prime is 6864691. The reversal of 6864680 is 864686.

It can be written as a sum of positive squares in 2 ways, for example, as 6832996 + 31684 = 2614^2 + 178^2 .

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, 85769 + ... + 85848.

Almost surely, 2^6864680 is an apocalyptic number.

It is an amenable number.

6864680 is an abundant number, since it is smaller than the sum of its proper divisors (8580940).

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

6864680 is a wasteful number, since it uses less digits than its factorization.

6864680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171628 (or 171624 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 6864680 is about 2620.0534345696. The cubic root of 6864680 is about 190.0524324361.

The spelling of 6864680 in words is "six million, eight hundred sixty-four thousand, six hundred eighty".