6890331 has 24 divisors (see below), whose sum is σ = 11254080. Its totient is φ = 3728592.

The previous prime is 6890327. The next prime is 6890353. The reversal of 6890331 is 1330986.

6890331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6890331 - 2² = 6890327 is a prime.

It is a super-2 number, since 2×6890331² = 94953322579122, which contains 22 as substring.

6890331 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6890231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1560 + ... + 4026.

It is an arithmetic number, because the mean of its divisors is an integer number (468920).

Almost surely, 2^6890331 is an apocalyptic number.

6890331 is a deficient number, since it is larger than the sum of its proper divisors (4363749).

6890331 is a wasteful number, since it uses less digits than its factorization.

6890331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503 (or 2496 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6890331 is about 2624.9439994027. The cubic root of 6890331 is about 190.2888588681.

The spelling of 6890331 in words is "six million, eight hundred ninety thousand, three hundred thirty-one".