3129974 has 8 divisors (see below), whose sum is σ = 4717848. Its totient is φ = 1557360.

The previous prime is 3129967. The next prime is 3129991. The reversal of 3129974 is 4799213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3287 + ... + 4130.

It is an arithmetic number, because the mean of its divisors is an integer number (589731).

Almost surely, 2^3129974 is an apocalyptic number.

3129974 is a deficient number, since it is larger than the sum of its proper divisors (1587874).

3129974 is a wasteful number, since it uses less digits than its factorization.

3129974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7630.

The product of its digits is 13608, while the sum is 35.

The square root of 3129974 is about 1769.1732532457. The cubic root of 3129974 is about 146.2784141349.

The spelling of 3129974 in words is "three million, one hundred twenty-nine thousand, nine hundred seventy-four".