393383951916 has 24 divisors (see below), whose sum is σ = 918346114560. Its totient is φ = 131063665872.

The previous prime is 393383951897. The next prime is 393383951927. The reversal of 393383951916 is 619159383393.

It is a self number, because there is not a number n which added to its sum of digits gives 393383951916.

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, 8014276 + ... + 8063211.

It is an arithmetic number, because the mean of its divisors is an integer number (38264421440).

Almost surely, 2^393383951916 is an apocalyptic number.

It is an amenable number.

393383951916 is an abundant number, since it is smaller than the sum of its proper divisors (524962162644).

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

393383951916 is a wasteful number, since it uses less digits than its factorization.

393383951916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16079533 (or 16079531 counting only the distinct ones).

The product of its digits is 14171760, while the sum is 60.

The spelling of 393383951916 in words is "three hundred ninety-three billion, three hundred eighty-three million, nine hundred fifty-one thousand, nine hundred sixteen".