392857852 has 12 divisors (see below), whose sum is σ = 687662640. Its totient is φ = 196382816.

The previous prime is 392857831. The next prime is 392857853. The reversal of 392857852 is 258758293.

It is a junction number, because it is equal to n+sod(n) for n = 392857796 and 392857805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392857853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13848 + ... + 31264.

It is an arithmetic number, because the mean of its divisors is an integer number (57305220).

Almost surely, 2^392857852 is an apocalyptic number.

It is an amenable number.

392857852 is a deficient number, since it is larger than the sum of its proper divisors (294804788).

392857852 is a wasteful number, since it uses less digits than its factorization.

392857852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23060 (or 23058 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The square root of 392857852 is about 19820.6420683085. The cubic root of 392857852 is about 732.3946208488.

The spelling of 392857852 in words is "three hundred ninety-two million, eight hundred fifty-seven thousand, eight hundred fifty-two".