3656746 has 4 divisors (see below), whose sum is σ = 5485122. Its totient is φ = 1828372.

The previous prime is 3656707. The next prime is 3656753. The reversal of 3656746 is 6476563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2368521 + 1288225 = 1539^2 + 1135^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914185 + ... + 914188.

Almost surely, 2^3656746 is an apocalyptic number.

3656746 is a deficient number, since it is larger than the sum of its proper divisors (1828376).

3656746 is a wasteful number, since it uses less digits than its factorization.

3656746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828375.

The product of its digits is 90720, while the sum is 37.

The square root of 3656746 is about 1912.2620113363. The cubic root of 3656746 is about 154.0629696947.

The spelling of 3656746 in words is "three million, six hundred fifty-six thousand, seven hundred forty-six".