3718404 has 18 divisors (see below), whose sum is σ = 9399390. Its totient is φ = 1239456.

The previous prime is 3718397. The next prime is 3718411. The reversal of 3718404 is 4048173.

It is an interprime number because it is at equal distance from previous prime (3718397) and next prime (3718411).

It can be written as a sum of positive squares in only one way, i.e., 2160900 + 1557504 = 1470^2 + 1248^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51609 + ... + 51680.

Almost surely, 2^3718404 is an apocalyptic number.

It is an amenable number.

3718404 is an abundant number, since it is smaller than the sum of its proper divisors (5680986).

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

3718404 is a wasteful number, since it uses less digits than its factorization.

3718404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103299 (or 103294 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 3718404 is about 1928.3163640855. The cubic root of 3718404 is about 154.9240557549.

The spelling of 3718404 in words is "three million, seven hundred eighteen thousand, four hundred four".