396243568 has 40 divisors (see below), whose sum is σ = 878738400. Its totient is φ = 169559040.

The previous prime is 396243553. The next prime is 396243611. The reversal of 396243568 is 865342693.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82908 + ... + 87556.

It is an arithmetic number, because the mean of its divisors is an integer number (21968460).

Almost surely, 2^396243568 is an apocalyptic number.

It is an amenable number.

396243568 is an abundant number, since it is smaller than the sum of its proper divisors (482494832).

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

396243568 is a wasteful number, since it uses less digits than its factorization.

396243568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425 (or 5419 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

The square root of 396243568 is about 19905.8676776472. The cubic root of 396243568 is about 734.4925727749.

The spelling of 396243568 in words is "three hundred ninety-six million, two hundred forty-three thousand, five hundred sixty-eight".