3684920 has 32 divisors (see below), whose sum is σ = 8780400. Its totient is φ = 1387008.

The previous prime is 3684913. The next prime is 3684929. The reversal of 3684920 is 294863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3684929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030 + ... + 3389.

Almost surely, 2^3684920 is an apocalyptic number.

It is an amenable number.

3684920 is an abundant number, since it is smaller than the sum of its proper divisors (5095480).

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

3684920 is a wasteful number, since it uses less digits than its factorization.

3684920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447 (or 5443 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3684920 is about 1919.6145446417. The cubic root of 3684920 is about 154.4576256752.

The spelling of 3684920 in words is "three million, six hundred eighty-four thousand, nine hundred twenty".