3995406 has 24 divisors (see below), whose sum is σ = 8978424. Its totient is φ = 1331640.

The previous prime is 3995351. The next prime is 3995413. The reversal of 3995406 is 6045993.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3625 + ... + 4596.

It is an arithmetic number, because the mean of its divisors is an integer number (374101).

Almost surely, 2^3995406 is an apocalyptic number.

3995406 is an abundant number, since it is smaller than the sum of its proper divisors (4983018).

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

3995406 is an equidigital number, since it uses as much as digits as its factorization.

3995406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8238 (or 8226 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 3995406 is about 1998.8511700474. The cubic root of 3995406 is about 158.6793109132.

The spelling of 3995406 in words is "three million, nine hundred ninety-five thousand, four hundred six".