3968406 has 32 divisors (see below), whose sum is σ = 9498720. Its totient is φ = 1220832.

The previous prime is 3968387. The next prime is 3968411. The reversal of 3968406 is 6048693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2125 + ... + 3528.

It is an arithmetic number, because the mean of its divisors is an integer number (296835).

Almost surely, 2^3968406 is an apocalyptic number.

3968406 is an abundant number, since it is smaller than the sum of its proper divisors (5530314).

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

3968406 is a wasteful number, since it uses less digits than its factorization.

3968406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677 (or 5671 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 3968406 is about 1992.0858415239. The cubic root of 3968406 is about 158.3210637461.

The spelling of 3968406 in words is "three million, nine hundred sixty-eight thousand, four hundred six".