396191705312 has 24 divisors (see below), whose sum is σ = 840002606856. Its totient is φ = 182857709952.

The previous prime is 396191705279. The next prime is 396191705359. The reversal of 396191705312 is 213507191693.

It is a congruent number.

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, 476191538 + ... + 476192369.

It is an arithmetic number, because the mean of its divisors is an integer number (35000108619).

Almost surely, 2^396191705312 is an apocalyptic number.

396191705312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

396191705312 is an abundant number, since it is smaller than the sum of its proper divisors (443810901544).

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

396191705312 is a wasteful number, since it uses less digits than its factorization.

396191705312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952383930 (or 952383922 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 47.

The spelling of 396191705312 in words is "three hundred ninety-six billion, one hundred ninety-one million, seven hundred five thousand, three hundred twelve".