396424225 has 12 divisors (see below), whose sum is σ = 492916864. Its totient is φ = 316267920.

The previous prime is 396424213. The next prime is 396424243. The reversal of 396424225 is 522424693.

It is not a de Polignac number, because 396424225 - 2⁷ = 396424097 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12429 + ... + 30778.

Almost surely, 2^396424225 is an apocalyptic number.

It is an amenable number.

396424225 is a deficient number, since it is larger than the sum of its proper divisors (96492639).

396424225 is a wasteful number, since it uses less digits than its factorization.

396424225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43584 (or 43579 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 396424225 is about 19910.4049431447. The cubic root of 396424225 is about 734.6041801084.

The spelling of 396424225 in words is "three hundred ninety-six million, four hundred twenty-four thousand, two hundred twenty-five".