396279882684 has 96 divisors (see below), whose sum is σ = 1181938867200. Its totient is φ = 112472971200.

The previous prime is 396279882653. The next prime is 396279882701. The reversal of 396279882684 is 486288972693.

396279882684 is a `hidden beast` number, since 3 + 96 + 279 + 8 + 8 + 268 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1621539 + ... + 1849850.

It is an arithmetic number, because the mean of its divisors is an integer number (12311863200).

Almost surely, 2^396279882684 is an apocalyptic number.

It is an amenable number.

396279882684 is an abundant number, since it is smaller than the sum of its proper divisors (785658984516).

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

396279882684 is a wasteful number, since it uses less digits than its factorization.

396279882684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471560 (or 3471552 counting only the distinct ones).

The product of its digits is 501645312, while the sum is 72.

Subtracting 396279882684 from its reverse (486288972693), we obtain a palindrome (90009090009).

The spelling of 396279882684 in words is "three hundred ninety-six billion, two hundred seventy-nine million, eight hundred eighty-two thousand, six hundred eighty-four".