3156156 has 18 divisors (see below), whose sum is σ = 7978152. Its totient is φ = 1052040.

The previous prime is 3156151. The next prime is 3156161. The reversal of 3156156 is 6516513.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3156151) and next prime (3156161).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×3156156² = 19922641392672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3156151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43800 + ... + 43871.

Almost surely, 2^3156156 is an apocalyptic number.

3156156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3156156 is an abundant number, since it is smaller than the sum of its proper divisors (4821996).

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

3156156 is a wasteful number, since it uses less digits than its factorization.

3156156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87681 (or 87676 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 3156156 is about 1776.5573449793. The cubic root of 3156156 is about 146.6851514810.

The spelling of 3156156 in words is "three million, one hundred fifty-six thousand, one hundred fifty-six".