396919396 has 12 divisors (see below), whose sum is σ = 704124652. Its totient is φ = 195740928.

The previous prime is 396919357. The next prime is 396919403. The reversal of 396919396 is 693919693.

It can be written as a sum of positive squares in 2 ways, for example, as 194881600 + 202037796 = 13960^2 + 14214^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679365 + ... + 679948.

Almost surely, 2^396919396 is an apocalyptic number.

It is an amenable number.

396919396 is a deficient number, since it is larger than the sum of its proper divisors (307205256).

396919396 is a wasteful number, since it uses less digits than its factorization.

396919396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359390 (or 1359388 counting only the distinct ones).

The product of its digits is 2125764, while the sum is 55.

The square root of 396919396 is about 19922.8360430939. The cubic root of 396919396 is about 734.9099159960.

The spelling of 396919396 in words is "three hundred ninety-six million, nine hundred nineteen thousand, three hundred ninety-six".