3181942 has 8 divisors (see below), whose sum is σ = 4787496. Its totient is φ = 1586112.

The previous prime is 3181931. The next prime is 3181951. The reversal of 3181942 is 2491813.

It is a happy number.

3181942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3181942.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1548 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (598437).

Almost surely, 2^3181942 is an apocalyptic number.

3181942 is a deficient number, since it is larger than the sum of its proper divisors (1605554).

3181942 is a wasteful number, since it uses less digits than its factorization.

3181942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862.

The product of its digits is 1728, while the sum is 28.

The square root of 3181942 is about 1783.7998766678. The cubic root of 3181942 is about 147.0835442238.

The spelling of 3181942 in words is "three million, one hundred eighty-one thousand, nine hundred forty-two".