2931944 has 16 divisors (see below), whose sum is σ = 5517600. Its totient is φ = 1460592.

The previous prime is 2931941. The next prime is 2931961. The reversal of 2931944 is 4491392.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2931944.

It is not an unprimeable number, because it can be changed into a prime (2931941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2549 + ... + 3515.

It is an arithmetic number, because the mean of its divisors is an integer number (344850).

2^2931944 is an apocalyptic number.

It is an amenable number.

2931944 is a deficient number, since it is larger than the sum of its proper divisors (2585656).

2931944 is a wasteful number, since it uses less digits than its factorization.

2931944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352 (or 1348 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 2931944 is about 1712.2920311676. The cubic root of 2931944 is about 143.1260075697.

The spelling of 2931944 in words is "two million, nine hundred thirty-one thousand, nine hundred forty-four".