2939931 has 6 divisors (see below), whose sum is σ = 4246580. Its totient is φ = 1959948.

The previous prime is 2939917. The next prime is 2939941. The reversal of 2939931 is 1399392.

It is not a de Polignac number, because 2939931 - 2⁵ = 2939899 is a prime.

It is a super-2 number, since 2×2939931² = 17286388569522, which contains 22 as substring.

It is a Duffinian number.

2939931 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2939941) 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, 163321 + ... + 163338.

2^2939931 is an apocalyptic number.

2939931 is a deficient number, since it is larger than the sum of its proper divisors (1306649).

2939931 is a wasteful number, since it uses less digits than its factorization.

2939931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326665 (or 326662 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 2939931 is about 1714.6226990216. The cubic root of 2939931 is about 143.2558544065.

The spelling of 2939931 in words is "two million, nine hundred thirty-nine thousand, nine hundred thirty-one".