3156942 has 8 divisors (see below), whose sum is σ = 6313896. Its totient is φ = 1052312.

The previous prime is 3156941. The next prime is 3156949. The reversal of 3156942 is 2496513.

3156942 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.

3156942 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3156941) 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 3 ways as a sum of consecutive naturals, for example, 263073 + ... + 263084.

It is an arithmetic number, because the mean of its divisors is an integer number (789237).

Almost surely, 2^3156942 is an apocalyptic number.

3156942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3156942 is a wasteful number, since it uses less digits than its factorization.

3156942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526162.

The product of its digits is 6480, while the sum is 30.

The square root of 3156942 is about 1776.7785455706. The cubic root of 3156942 is about 146.6973271529.

The spelling of 3156942 in words is "three million, one hundred fifty-six thousand, nine hundred forty-two".