3956427 has 24 divisors (see below), whose sum is σ = 6374160. Its totient is φ = 2350080.

The previous prime is 3956419. The next prime is 3956429. The reversal of 3956427 is 7246593.

3956427 is a `hidden beast` number, since 3 + 9 + 5 + 642 + 7 = 666.

It is not a de Polignac number, because 3956427 - 2³ = 3956419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3956391 and 3956400.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 2227 + ... + 3587.

It is an arithmetic number, because the mean of its divisors is an integer number (265590).

Almost surely, 2^3956427 is an apocalyptic number.

3956427 is a deficient number, since it is larger than the sum of its proper divisors (2417733).

3956427 is a wasteful number, since it uses less digits than its factorization.

3956427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1400 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 3956427 is about 1989.0769215895. The cubic root of 3956427 is about 158.1616009365.

The spelling of 3956427 in words is "three million, nine hundred fifty-six thousand, four hundred twenty-seven".