3704638 has 16 divisors (see below), whose sum is σ = 6441984. Its totient is φ = 1564920.

The previous prime is 3704629. The next prime is 3704651. The reversal of 3704638 is 8364073.

It is a super-2 number, since 2×3704638² = 27448685422088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870 + ... + 2857.

It is an arithmetic number, because the mean of its divisors is an integer number (402624).

Almost surely, 2^3704638 is an apocalyptic number.

3704638 is a deficient number, since it is larger than the sum of its proper divisors (2737346).

3704638 is a wasteful number, since it uses less digits than its factorization.

3704638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 3704638 is about 1924.7436192906. The cubic root of 3704638 is about 154.7326365511.

The spelling of 3704638 in words is "three million, seven hundred four thousand, six hundred thirty-eight".