3960636 has 12 divisors (see below), whose sum is σ = 9241512. Its totient is φ = 1320208.

The previous prime is 3960631. The next prime is 3960667. The reversal of 3960636 is 6360693.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3960597 and 3960606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960631) 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, 165015 + ... + 165038.

It is an arithmetic number, because the mean of its divisors is an integer number (770126).

Almost surely, 2^3960636 is an apocalyptic number.

It is an amenable number.

3960636 is an abundant number, since it is smaller than the sum of its proper divisors (5280876).

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

3960636 is a wasteful number, since it uses less digits than its factorization.

3960636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330060 (or 330058 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 3960636 is about 1990.1346688101. The cubic root of 3960636 is about 158.2176672013.

The spelling of 3960636 in words is "three million, nine hundred sixty thousand, six hundred thirty-six".