3684972 has 24 divisors (see below), whose sum is σ = 8895600. Its totient is φ = 1185856.

The previous prime is 3684959. The next prime is 3684977. The reversal of 3684972 is 2794863.

3684972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3684972.

It is not an unprimeable number, because it can be changed into a prime (3684977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4947 + ... + 5642.

It is an arithmetic number, because the mean of its divisors is an integer number (370650).

Almost surely, 2^3684972 is an apocalyptic number.

It is an amenable number.

3684972 is an abundant number, since it is smaller than the sum of its proper divisors (5210628).

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

3684972 is a wasteful number, since it uses less digits than its factorization.

3684972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10625 (or 10623 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 3684972 is about 1919.6280889797. The cubic root of 3684972 is about 154.4583522183.

It can be divided in two parts, 3684 and 972, that added together give a triangular number (4656 = T₉₆).

The spelling of 3684972 in words is "three million, six hundred eighty-four thousand, nine hundred seventy-two".