3956424 has 32 divisors (see below), whose sum is σ = 9940320. Its totient is φ = 1312256.

The previous prime is 3956419. The next prime is 3956429. The reversal of 3956424 is 4246593.

It is an interprime number because it is at equal distance from previous prime (3956419) and next prime (3956429).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3956429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8239 + ... + 8705.

It is an arithmetic number, because the mean of its divisors is an integer number (310635).

Almost surely, 2^3956424 is an apocalyptic number.

It is an amenable number.

3956424 is an abundant number, since it is smaller than the sum of its proper divisors (5983896).

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

3956424 is a wasteful number, since it uses less digits than its factorization.

3956424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 825 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 3956424 is about 1989.0761674707. The cubic root of 3956424 is about 158.1615609606.

The spelling of 3956424 in words is "three million, nine hundred fifty-six thousand, four hundred twenty-four".