392825 has 12 divisors (see below), whose sum is σ = 513360. Its totient is φ = 297360.

The previous prime is 392809. The next prime is 392827. The reversal of 392825 is 528293.

It is not a de Polignac number, because 392825 - 2⁴ = 392809 is a prime.

It is a super-2 number, since 2×392825² = 308622961250, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3 + 9² + 8² + 2² + 2¹¹ + 5⁸ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (392827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62 + ... + 888.

It is an arithmetic number, because the mean of its divisors is an integer number (42780).

2³⁹²⁸²⁵ is an apocalyptic number.

It is an amenable number.

392825 is a deficient number, since it is larger than the sum of its proper divisors (120535).

392825 is a wasteful number, since it uses less digits than its factorization.

392825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 851 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 392825 is about 626.7575288738. The cubic root of 392825 is about 73.2374205238.

The spelling of 392825 in words is "three hundred ninety-two thousand, eight hundred twenty-five".