396919212 has 12 divisors (see below), whose sum is σ = 926144856. Its totient is φ = 132306400.

The previous prime is 396919207. The next prime is 396919217. The reversal of 396919212 is 212919693.

It is an interprime number because it is at equal distance from previous prime (396919207) and next prime (396919217).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (396919217) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16538289 + ... + 16538312.

It is an arithmetic number, because the mean of its divisors is an integer number (77178738).

Almost surely, 2^396919212 is an apocalyptic number.

It is an amenable number.

396919212 is an abundant number, since it is smaller than the sum of its proper divisors (529225644).

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

396919212 is a wasteful number, since it uses less digits than its factorization.

396919212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33076608 (or 33076606 counting only the distinct ones).

The product of its digits is 52488, while the sum is 42.

The square root of 396919212 is about 19922.8314252769. The cubic root of 396919212 is about 734.9098024352.

The spelling of 396919212 in words is "three hundred ninety-six million, nine hundred nineteen thousand, two hundred twelve".