3705688 has 16 divisors (see below), whose sum is σ = 7940880. Its totient is φ = 1588128.

The previous prime is 3705679. The next prime is 3705719. The reversal of 3705688 is 8865073.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33031 + ... + 33142.

It is an arithmetic number, because the mean of its divisors is an integer number (496305).

Almost surely, 2^3705688 is an apocalyptic number.

It is an amenable number.

3705688 is an abundant number, since it is smaller than the sum of its proper divisors (4235192).

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

3705688 is a wasteful number, since it uses less digits than its factorization.

3705688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66186 (or 66182 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 3705688 is about 1925.0163635668. The cubic root of 3705688 is about 154.7472537167.

The spelling of 3705688 in words is "three million, seven hundred five thousand, six hundred eighty-eight".