393047852 has 24 divisors (see below), whose sum is σ = 707389200. Its totient is φ = 191012096.

The previous prime is 393047849. The next prime is 393047867. The reversal of 393047852 is 258740393.

It is a super-2 number, since 2×393047852² = 308973227923627808, which contains 22 as substring.

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, 11648 + ... + 30360.

It is an arithmetic number, because the mean of its divisors is an integer number (29474550).

Almost surely, 2^393047852 is an apocalyptic number.

It is an amenable number.

393047852 is a deficient number, since it is larger than the sum of its proper divisors (314341348).

393047852 is a wasteful number, since it uses less digits than its factorization.

393047852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18865 (or 18863 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 393047852 is about 19825.4344719101. The cubic root of 393047852 is about 732.5126724968.

The spelling of 393047852 in words is "three hundred ninety-three million, forty-seven thousand, eight hundred fifty-two".