3621684 has 24 divisors (see below), whose sum is σ = 9219168. Its totient is φ = 1097440.

The previous prime is 3621661. The next prime is 3621691. The reversal of 3621684 is 4861263.

3621684 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 (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 13587 + ... + 13850.

It is an arithmetic number, because the mean of its divisors is an integer number (384132).

Almost surely, 2^3621684 is an apocalyptic number.

It is an amenable number.

3621684 is an abundant number, since it is smaller than the sum of its proper divisors (5597484).

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

3621684 is a wasteful number, since it uses less digits than its factorization.

3621684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27455 (or 27453 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 3621684 is about 1903.0722529636. The cubic root of 3621684 is about 153.5689865228.

The spelling of 3621684 in words is "three million, six hundred twenty-one thousand, six hundred eighty-four".