392166 has 12 divisors (see below), whose sum is σ = 849732. Its totient is φ = 130716.

The previous prime is 392159. The next prime is 392177. The reversal of 392166 is 661293.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

392166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10876 + ... + 10911.

It is an arithmetic number, because the mean of its divisors is an integer number (70811).

2³⁹²¹⁶⁶ is an apocalyptic number.

392166 is an abundant number, since it is smaller than the sum of its proper divisors (457566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

392166 is a wasteful number, since it uses less digits than its factorization.

392166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21795 (or 21792 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 392166 is about 626.2315865556. The cubic root of 392166 is about 73.1964434355.

The spelling of 392166 in words is "three hundred ninety-two thousand, one hundred sixty-six".