393862968 has 48 divisors (see below), whose sum is σ = 1068004080. Its totient is φ = 131128704.

The previous prime is 393862957. The next prime is 393862979. The reversal of 393862968 is 869268393.

393862968 is a `hidden beast` number, since 3 + 9 + 3 + 8 + 629 + 6 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (393862957) and next prime (393862979).

It is a nude number because it is divisible by every one of its digits.

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 11 ways as a sum of consecutive naturals, for example, 66796 + ... + 72452.

It is an arithmetic number, because the mean of its divisors is an integer number (22250085).

Almost surely, 2^393862968 is an apocalyptic number.

It is an amenable number.

393862968 is an abundant number, since it is smaller than the sum of its proper divisors (674141112).

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

393862968 is a wasteful number, since it uses less digits than its factorization.

393862968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6636 (or 6629 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 393862968 is about 19845.9811548837. The cubic root of 393862968 is about 733.0186927530.

The spelling of 393862968 in words is "three hundred ninety-three million, eight hundred sixty-two thousand, nine hundred sixty-eight".