3731408 has 20 divisors (see below), whose sum is σ = 7463808. Its totient is φ = 1805280.

The previous prime is 3731393. The next prime is 3731417. The reversal of 3731408 is 8041373.

3731408 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3266 + ... + 4257.

Almost surely, 2^3731408 is an apocalyptic number.

It is an amenable number.

3731408 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3731408 is a wasteful number, since it uses less digits than its factorization.

3731408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562 (or 7556 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 3731408 is about 1931.6852745724. The cubic root of 3731408 is about 155.1044457332.

The spelling of 3731408 in words is "three million, seven hundred thirty-one thousand, four hundred eight".