6849931 has 6 divisors (see below), whose sum is σ = 7529396. Its totient is φ = 6227100.

The previous prime is 6849923. The next prime is 6849949. The reversal of 6849931 is 1399486.

It is not a de Polignac number, because 6849931 - 2³ = 6849923 is a prime.

It is a super-2 number, since 2×6849931² = 93843109409522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6849971) 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, 28185 + ... + 28426.

Almost surely, 2^6849931 is an apocalyptic number.

6849931 is a deficient number, since it is larger than the sum of its proper divisors (679465).

6849931 is a wasteful number, since it uses less digits than its factorization.

6849931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56633 (or 56622 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 6849931 is about 2617.2372838549. The cubic root of 6849931 is about 189.9162234537.

The spelling of 6849931 in words is "six million, eight hundred forty-nine thousand, nine hundred thirty-one".