3749904 has 30 divisors (see below), whose sum is σ = 10494926. Its totient is φ = 1249920.

The previous prime is 3749891. The next prime is 3749939. The reversal of 3749904 is 4099473.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 63504 = 1920^2 + 252^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

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, 12877 + ... + 13164.

Almost surely, 2^3749904 is an apocalyptic number.

It is an amenable number.

3749904 is an abundant number, since it is smaller than the sum of its proper divisors (6745022).

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

3749904 is a wasteful number, since it uses less digits than its factorization.

3749904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26055 (or 26046 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3749904 is about 1936.4668858517. The cubic root of 3749904 is about 155.3602995338.

The spelling of 3749904 in words is "three million, seven hundred forty-nine thousand, nine hundred four".