3685685626 has 48 divisors (see below), whose sum is σ = 6779561760. Its totient is φ = 1494249120.

The previous prime is 3685685609. The next prime is 3685685659. The reversal of 3685685626 is 6265865863.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2034261 + ... + 2036071.

It is an arithmetic number, because the mean of its divisors is an integer number (141240870).

Almost surely, 2^3685685626 is an apocalyptic number.

3685685626 is a deficient number, since it is larger than the sum of its proper divisors (3093876134).

3685685626 is a wasteful number, since it uses less digits than its factorization.

3685685626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939 (or 2932 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 55.

The square root of 3685685626 is about 60709.8478502458. The cubic root of 3685685626 is about 1544.6832229687.

The spelling of 3685685626 in words is "three billion, six hundred eighty-five million, six hundred eighty-five thousand, six hundred twenty-six".