392189 has 8 divisors (see below), whose sum is σ = 452160. Its totient is φ = 333216.

The previous prime is 392177. The next prime is 392201. The reversal of 392189 is 981293.

It is an interprime number because it is at equal distance from previous prime (392177) and next prime (392201).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-392189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097 + ... + 1409.

It is an arithmetic number, because the mean of its divisors is an integer number (56520).

2³⁹²¹⁸⁹ is an apocalyptic number.

It is an amenable number.

392189 is a deficient number, since it is larger than the sum of its proper divisors (59971).

392189 is a wasteful number, since it uses less digits than its factorization.

392189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499.

The product of its digits is 3888, while the sum is 32.

The square root of 392189 is about 626.2499500998. The cubic root of 392189 is about 73.1978743647.

It can be divided in two parts, 392 and 189, that multiplied together give a cube (74088 = 42³).

The spelling of 392189 in words is "three hundred ninety-two thousand, one hundred eighty-nine".