3681156 has 12 divisors (see below), whose sum is σ = 8589392. Its totient is φ = 1227048.

The previous prime is 3681151. The next prime is 3681191. The reversal of 3681156 is 6511863.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3681151) 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, 153370 + ... + 153393.

Almost surely, 2^3681156 is an apocalyptic number.

It is an amenable number.

3681156 is an abundant number, since it is smaller than the sum of its proper divisors (4908236).

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

3681156 is a wasteful number, since it uses less digits than its factorization.

3681156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306770 (or 306768 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 3681156 is about 1918.6338889950. The cubic root of 3681156 is about 154.4050169739.

The spelling of 3681156 in words is "three million, six hundred eighty-one thousand, one hundred fifty-six".