3697636 has 12 divisors (see below), whose sum is σ = 6851628. Its totient is φ = 1740032.

The previous prime is 3697633. The next prime is 3697657. The reversal of 3697636 is 6367963.

It can be written as a sum of positive squares in 2 ways, for example, as 3041536 + 656100 = 1744^2 + 810^2 .

It is not an unprimeable number, because it can be changed into a prime (3697633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27121 + ... + 27256.

It is an arithmetic number, because the mean of its divisors is an integer number (570969).

Almost surely, 2^3697636 is an apocalyptic number.

It is an amenable number.

3697636 is a deficient number, since it is larger than the sum of its proper divisors (3153992).

3697636 is a wasteful number, since it uses less digits than its factorization.

3697636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54398 (or 54396 counting only the distinct ones).

The product of its digits is 122472, while the sum is 40.

The square root of 3697636 is about 1922.9238154436. The cubic root of 3697636 is about 154.6350902476.

The spelling of 3697636 in words is "three million, six hundred ninety-seven thousand, six hundred thirty-six".