396689841842 has 24 divisors (see below), whose sum is σ = 692212785264. Its totient is φ = 170002689192.

The previous prime is 396689841833. The next prime is 396689841853. The reversal of 396689841842 is 248148986693.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2674433 + ... + 2818859.

It is an arithmetic number, because the mean of its divisors is an integer number (28842199386).

Almost surely, 2^396689841842 is an apocalyptic number.

396689841842 is a deficient number, since it is larger than the sum of its proper divisors (295522943422).

396689841842 is a wasteful number, since it uses less digits than its factorization.

396689841842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172470 (or 172463 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 68.

The spelling of 396689841842 in words is "three hundred ninety-six billion, six hundred eighty-nine million, eight hundred forty-one thousand, eight hundred forty-two".