6331889 has 6 divisors (see below), whose sum is σ = 6558630. Its totient is φ = 6112736.

The previous prime is 6331873. The next prime is 6331903. The reversal of 6331889 is 9881336.

It can be written as a sum of positive squares in 3 ways, for example, as 667489 + 5664400 = 817^2 + 2380^2 .

It is not a de Polignac number, because 6331889 - 2⁴ = 6331873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6331849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2924 + ... + 4605.

It is an arithmetic number, because the mean of its divisors is an integer number (1093105).

Almost surely, 2^6331889 is an apocalyptic number.

It is an amenable number.

6331889 is a deficient number, since it is larger than the sum of its proper divisors (226741).

6331889 is an equidigital number, since it uses as much as digits as its factorization.

6331889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7587 (or 7558 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 6331889 is about 2516.3245021261. The cubic root of 6331889 is about 185.0025711841.

The spelling of 6331889 in words is "six million, three hundred thirty-one thousand, eight hundred eighty-nine".