393059994 has 8 divisors (see below), whose sum is σ = 786120000. Its totient is φ = 131019996.

The previous prime is 393059981. The next prime is 393060001. The reversal of 393059994 is 499950393.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

393059994 is an admirable number.

It is a Curzon 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, 32754994 + ... + 32755005.

It is an arithmetic number, because the mean of its divisors is an integer number (98265000).

Almost surely, 2^393059994 is an apocalyptic number.

393059994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

393059994 is a wasteful number, since it uses less digits than its factorization.

393059994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65510004.

The product of its (nonzero) digits is 1180980, while the sum is 51.

The square root of 393059994 is about 19825.7406923424. The cubic root of 393059994 is about 732.5202153250.

The spelling of 393059994 in words is "three hundred ninety-three million, fifty-nine thousand, nine hundred ninety-four".