393796068 has 24 divisors (see below), whose sum is σ = 919918272. Its totient is φ = 131113824.

The previous prime is 393796061. The next prime is 393796079. The reversal of 393796068 is 860697393.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 393796068.

It is not an unprimeable number, because it can be changed into a prime (393796061) by changing a digit.

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, 7855 + ... + 29142.

It is an arithmetic number, because the mean of its divisors is an integer number (38329928).

Almost surely, 2^393796068 is an apocalyptic number.

It is an amenable number.

393796068 is an abundant number, since it is smaller than the sum of its proper divisors (526122204).

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

393796068 is a wasteful number, since it uses less digits than its factorization.

393796068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37891 (or 37889 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 393796068 is about 19844.2956035229. The cubic root of 393796068 is about 732.9771878546.

The spelling of 393796068 in words is "three hundred ninety-three million, seven hundred ninety-six thousand, sixty-eight".