3139492 has 24 divisors (see below), whose sum is σ = 5877144. Its totient is φ = 1462272.

The previous prime is 3139489. The next prime is 3139517. The reversal of 3139492 is 2949313.

It can be written as a sum of positive squares in 4 ways, for example, as 630436 + 2509056 = 794^2 + 1584^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9148 + ... + 9484.

It is an arithmetic number, because the mean of its divisors is an integer number (244881).

Almost surely, 2^3139492 is an apocalyptic number.

It is an amenable number.

3139492 is a deficient number, since it is larger than the sum of its proper divisors (2737652).

3139492 is a wasteful number, since it uses less digits than its factorization.

3139492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 493 counting only the distinct ones).

The product of its digits is 5832, while the sum is 31.

The square root of 3139492 is about 1771.8611683763. The cubic root of 3139492 is about 146.4265377356.

The spelling of 3139492 in words is "three million, one hundred thirty-nine thousand, four hundred ninety-two".