3156490 has 16 divisors (see below), whose sum is σ = 5751648. Its totient is φ = 1247056.

The previous prime is 3156481. The next prime is 3156493. The reversal of 3156490 is 946513.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3156493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072 + ... + 2731.

It is an arithmetic number, because the mean of its divisors is an integer number (359478).

Almost surely, 2^3156490 is an apocalyptic number.

3156490 is a deficient number, since it is larger than the sum of its proper divisors (2595158).

3156490 is a wasteful number, since it uses less digits than its factorization.

3156490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3156490 is about 1776.6513445243. The cubic root of 3156490 is about 146.6903256140.

The spelling of 3156490 in words is "three million, one hundred fifty-six thousand, four hundred ninety".