3681172 has 12 divisors (see below), whose sum is σ = 7027776. Its totient is φ = 1673240.

The previous prime is 3681151. The next prime is 3681191. The reversal of 3681172 is 2711863.

It is a self number, because there is not a number n which added to its sum of digits gives 3681172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41788 + ... + 41875.

It is an arithmetic number, because the mean of its divisors is an integer number (585648).

Almost surely, 2^3681172 is an apocalyptic number.

It is an amenable number.

3681172 is a deficient number, since it is larger than the sum of its proper divisors (3346604).

3681172 is a wasteful number, since it uses less digits than its factorization.

3681172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83678 (or 83676 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 3681172 is about 1918.6380586239. The cubic root of 3681172 is about 154.4052406787.

It can be divided in two parts, 368 and 1172, that added together give a triangular number (1540 = T₅₅).

The spelling of 3681172 in words is "three million, six hundred eighty-one thousand, one hundred seventy-two".