3968625 has 32 divisors (see below), whose sum is σ = 6963840. Its totient is φ = 2001600.

The previous prime is 3968617. The next prime is 3968647. The reversal of 3968625 is 5268693.

It is not a de Polignac number, because 3968625 - 2³ = 3968617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6847 + ... + 7403.

It is an arithmetic number, because the mean of its divisors is an integer number (217620).

Almost surely, 2^3968625 is an apocalyptic number.

It is an amenable number.

3968625 is a deficient number, since it is larger than the sum of its proper divisors (2995215).

3968625 is a wasteful number, since it uses less digits than its factorization.

3968625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 584 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 3968625 is about 1992.1408082764. The cubic root of 3968625 is about 158.3239760552.

The spelling of 3968625 in words is "three million, nine hundred sixty-eight thousand, six hundred twenty-five".