392828 has 6 divisors (see below), whose sum is σ = 687456. Its totient is φ = 196412.

The previous prime is 392827. The next prime is 392831. The reversal of 392828 is 828293.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 392794 and 392803.

It is a congruent 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 as a sum of consecutive naturals, namely, 49100 + ... + 49107.

It is an arithmetic number, because the mean of its divisors is an integer number (114576).

2³⁹²⁸²⁸ is an apocalyptic number.

It is an amenable number.

392828 is a deficient number, since it is larger than the sum of its proper divisors (294628).

392828 is a wasteful number, since it uses less digits than its factorization.

392828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98211 (or 98209 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 392828 is about 626.7599221393. The cubic root of 392828 is about 73.2376069611.

The spelling of 392828 in words is "three hundred ninety-two thousand, eight hundred twenty-eight".