3718408 has 8 divisors (see below), whose sum is σ = 6972030. Its totient is φ = 1859200.

The previous prime is 3718397. The next prime is 3718411. The reversal of 3718408 is 8048173.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2125764 + 1592644 = 1458^2 + 1262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 3718408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232393 + ... + 232408.

Almost surely, 2^3718408 is an apocalyptic number.

It is an amenable number.

3718408 is a deficient number, since it is larger than the sum of its proper divisors (3253622).

3718408 is a wasteful number, since it uses less digits than its factorization.

3718408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464807 (or 464803 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 3718408 is about 1928.3174012595. The cubic root of 3718408 is about 154.9241113071.

The spelling of 3718408 in words is "three million, seven hundred eighteen thousand, four hundred eight".