392828057 has 4 divisors (see below), whose sum is σ = 392958720. Its totient is φ = 392697396.

The previous prime is 392827979. The next prime is 392828071. The reversal of 392828057 is 750828293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 392828057 - 2¹² = 392823961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 392827999 and 392828017.

It is not an unprimeable number, because it can be changed into a prime (392858057) 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, 60713 + ... + 66870.

It is an arithmetic number, because the mean of its divisors is an integer number (98239680).

Almost surely, 2^392828057 is an apocalyptic number.

It is an amenable number.

392828057 is a deficient number, since it is larger than the sum of its proper divisors (130663).

392828057 is a wasteful number, since it uses less digits than its factorization.

392828057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130662.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 392828057 is about 19819.8904386477. The cubic root of 392828057 is about 732.3761050343.

The spelling of 392828057 in words is "three hundred ninety-two million, eight hundred twenty-eight thousand, fifty-seven".