6864980 has 24 divisors (see below), whose sum is σ = 14807688. Its totient is φ = 2671488.

The previous prime is 6864973. The next prime is 6864983. The reversal of 6864980 is 894686.

It can be written as a sum of positive squares in 4 ways, for example, as 2999824 + 3865156 = 1732^2 + 1966^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3899 + ... + 5378.

It is an arithmetic number, because the mean of its divisors is an integer number (616987).

Almost surely, 2^6864980 is an apocalyptic number.

It is an amenable number.

6864980 is an abundant number, since it is smaller than the sum of its proper divisors (7942708).

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

6864980 is a wasteful number, since it uses less digits than its factorization.

6864980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9323 (or 9321 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 6864980 is about 2620.1106846849. The cubic root of 6864980 is about 190.0552009507.

The spelling of 6864980 in words is "six million, eight hundred sixty-four thousand, nine hundred eighty".