3711920 has 20 divisors (see below), whose sum is σ = 8630400. Its totient is φ = 1484736.

The previous prime is 3711907. The next prime is 3711941. The reversal of 3711920 is 291173.

It is a tau number, because it is divible by the number of its divisors (20).

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, 23120 + ... + 23279.

It is an arithmetic number, because the mean of its divisors is an integer number (431520).

Almost surely, 2^3711920 is an apocalyptic number.

It is an amenable number.

3711920 is an abundant number, since it is smaller than the sum of its proper divisors (4918480).

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

3711920 is a wasteful number, since it uses less digits than its factorization.

3711920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46412 (or 46406 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 3711920 is about 1926.6343711249. The cubic root of 3711920 is about 154.8339532962.

The spelling of 3711920 in words is "three million, seven hundred eleven thousand, nine hundred twenty".