396213136 has 20 divisors (see below), whose sum is σ = 837450864. Its totient is φ = 180096800.

The previous prime is 396213133. The next prime is 396213161. The reversal of 396213136 is 631312693.

It is not an unprimeable number, because it can be changed into a prime (396213133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125430 + ... + 1125781.

Almost surely, 2^396213136 is an apocalyptic number.

It is an amenable number.

396213136 is an abundant number, since it is smaller than the sum of its proper divisors (441237728).

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

396213136 is a wasteful number, since it uses less digits than its factorization.

396213136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251230 (or 2251224 counting only the distinct ones).

The product of its digits is 17496, while the sum is 34.

The square root of 396213136 is about 19905.1032652433. The cubic root of 396213136 is about 734.4737689784.

The spelling of 396213136 in words is "three hundred ninety-six million, two hundred thirteen thousand, one hundred thirty-six".