3129274 has 16 divisors (see below), whose sum is σ = 4900320. Its totient is φ = 1496880.

The previous prime is 3129271. The next prime is 3129289. The reversal of 3129274 is 4729213.

It is not an unprimeable number, because it can be changed into a prime (3129271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9289 + ... + 9619.

It is an arithmetic number, because the mean of its divisors is an integer number (306270).

Almost surely, 2^3129274 is an apocalyptic number.

3129274 is a deficient number, since it is larger than the sum of its proper divisors (1771046).

3129274 is a wasteful number, since it uses less digits than its factorization.

3129274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525.

The product of its digits is 3024, while the sum is 28.

The square root of 3129274 is about 1768.9754096652. The cubic root of 3129274 is about 146.2675085572.

Subtracting from 3129274 its product of digits (3024), we obtain a triangular number (3126250 = T₂₅₀₀).

It can be divided in two parts, 3129 and 274, that added together give a triangular number (3403 = T₈₂).

The spelling of 3129274 in words is "three million, one hundred twenty-nine thousand, two hundred seventy-four".