6890031 has 12 divisors (see below), whose sum is σ = 9999808. Its totient is φ = 4571424.

The previous prime is 6890017. The next prime is 6890033. The reversal of 6890031 is 1300986.

It is not a de Polignac number, because 6890031 - 2¹³ = 6881839 is a prime.

It is a super-2 number, since 2×6890031² = 94945054361922, which contains 22 as substring.

It is a Duffinian number.

6890031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6889977 and 6890004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291 + ... + 3723.

Almost surely, 2^6890031 is an apocalyptic number.

6890031 is a deficient number, since it is larger than the sum of its proper divisors (3109777).

6890031 is a wasteful number, since it uses less digits than its factorization.

6890031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662 (or 3659 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 6890031 is about 2624.8868547044. The cubic root of 6890031 is about 190.2860971485.

The spelling of 6890031 in words is "six million, eight hundred ninety thousand, thirty-one".