396680812 has 24 divisors (see below), whose sum is σ = 759240720. Its totient is φ = 179847360.

The previous prime is 396680807. The next prime is 396680831. The reversal of 396680812 is 218086693.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6114 + ... + 28822.

It is an arithmetic number, because the mean of its divisors is an integer number (31635030).

Almost surely, 2^396680812 is an apocalyptic number.

It is an amenable number.

396680812 is a deficient number, since it is larger than the sum of its proper divisors (362559908).

396680812 is a wasteful number, since it uses less digits than its factorization.

396680812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23121 (or 23119 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 396680812 is about 19916.8474412995. The cubic root of 396680812 is about 734.7626376551.

The spelling of 396680812 in words is "three hundred ninety-six million, six hundred eighty thousand, eight hundred twelve".