3129994 has 16 divisors (see below), whose sum is σ = 5400000. Its totient is φ = 1332864.

The previous prime is 3129991. The next prime is 3130007. The reversal of 3129994 is 4999213.

3129994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3129991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1882 + ... + 3130.

It is an arithmetic number, because the mean of its divisors is an integer number (337500).

Almost surely, 2^3129994 is an apocalyptic number.

3129994 is a deficient number, since it is larger than the sum of its proper divisors (2270006).

3129994 is a wasteful number, since it uses less digits than its factorization.

3129994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437.

The product of its digits is 17496, while the sum is 37.

The square root of 3129994 is about 1769.1789055943. The cubic root of 3129994 is about 146.2787256989.

The spelling of 3129994 in words is "three million, one hundred twenty-nine thousand, nine hundred ninety-four".