3956995 has 24 divisors (see below), whose sum is σ = 5712768. Its totient is φ = 2620800.

The previous prime is 3956983. The next prime is 3956999. The reversal of 3956995 is 5996593.

It is a happy number.

It is not a de Polignac number, because 3956995 - 2⁷ = 3956867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3956999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7335 + ... + 7855.

It is an arithmetic number, because the mean of its divisors is an integer number (238032).

Almost surely, 2^3956995 is an apocalyptic number.

3956995 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3956995 is a deficient number, since it is larger than the sum of its proper divisors (1755773).

3956995 is a wasteful number, since it uses less digits than its factorization.

3956995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 564 counting only the distinct ones).

The product of its digits is 328050, while the sum is 46.

The square root of 3956995 is about 1989.2196962628. The cubic root of 3956995 is about 158.1691693385.

The spelling of 3956995 in words is "three million, nine hundred fifty-six thousand, nine hundred ninety-five".