3726656 has 14 divisors (see below), whose sum is σ = 7395210. Its totient is φ = 1863296.

The previous prime is 3726647. The next prime is 3726661. The reversal of 3726656 is 6566273.

It can be written as a sum of positive squares in only one way, i.e., 3385600 + 341056 = 1840^2 + 584^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29051 + ... + 29178.

Almost surely, 2^3726656 is an apocalyptic number.

It is an amenable number.

3726656 is a deficient number, since it is larger than the sum of its proper divisors (3668554).

3726656 is an equidigital number, since it uses as much as digits as its factorization.

3726656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58241 (or 58231 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 3726656 is about 1930.4548686773. The cubic root of 3726656 is about 155.0385752064.

The spelling of 3726656 in words is "three million, seven hundred twenty-six thousand, six hundred fifty-six".