3161938 has 16 divisors (see below), whose sum is σ = 5273856. Its totient is φ = 1411920.

The previous prime is 3161897. The next prime is 3161953. The reversal of 3161938 is 8391613.

3161938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

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, 1156 + ... + 2767.

It is an arithmetic number, because the mean of its divisors is an integer number (329616).

Almost surely, 2^3161938 is an apocalyptic number.

3161938 is a deficient number, since it is larger than the sum of its proper divisors (2111918).

3161938 is a wasteful number, since it uses less digits than its factorization.

3161938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969.

The product of its digits is 3888, while the sum is 31.

The square root of 3161938 is about 1778.1839049997. The cubic root of 3161938 is about 146.7746713646.

The spelling of 3161938 in words is "three million, one hundred sixty-one thousand, nine hundred thirty-eight".