3156542 has 8 divisors (see below), whose sum is σ = 4777056. Its totient is φ = 1564192.

The previous prime is 3156541. The next prime is 3156557. The reversal of 3156542 is 2456513.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3156541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6758 + ... + 7209.

It is an arithmetic number, because the mean of its divisors is an integer number (597132).

Almost surely, 2^3156542 is an apocalyptic number.

3156542 is a deficient number, since it is larger than the sum of its proper divisors (1620514).

3156542 is a wasteful number, since it uses less digits than its factorization.

3156542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14082.

The product of its digits is 3600, while the sum is 26.

The square root of 3156542 is about 1776.6659787366. The cubic root of 3156542 is about 146.6911311348.

The spelling of 3156542 in words is "three million, one hundred fifty-six thousand, five hundred forty-two".