3656706 has 32 divisors (see below), whose sum is σ = 7582848. Its totient is φ = 1175040.

The previous prime is 3656699. The next prime is 3656707. The reversal of 3656706 is 6076563.

It is not an unprimeable number, because it can be changed into a prime (3656707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35451 + ... + 35553.

It is an arithmetic number, because the mean of its divisors is an integer number (236964).

Almost surely, 2^3656706 is an apocalyptic number.

3656706 is an abundant number, since it is smaller than the sum of its proper divisors (3926142).

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

3656706 is a wasteful number, since it uses less digits than its factorization.

3656706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 3656706 is about 1912.2515524899. The cubic root of 3656706 is about 154.0624079437.

The spelling of 3656706 in words is "three million, six hundred fifty-six thousand, seven hundred six".