3749428 has 12 divisors (see below), whose sum is σ = 6714400. Its totient is φ = 1831032.

The previous prime is 3749407. The next prime is 3749443. The reversal of 3749428 is 8249473.

It is a happy number.

3749428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10728 + ... + 11071.

Almost surely, 2^3749428 is an apocalyptic number.

It is an amenable number.

3749428 is a deficient number, since it is larger than the sum of its proper divisors (2964972).

3749428 is a wasteful number, since it uses less digits than its factorization.

With its successor (3749429) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (21846).

3749428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21846 (or 21844 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 3749428 is about 1936.3439777064. The cubic root of 3749428 is about 155.3537256205.

The spelling of 3749428 in words is "three million, seven hundred forty-nine thousand, four hundred twenty-eight".