392089 has 4 divisors (see below), whose sum is σ = 402724. Its totient is φ = 381456.

The previous prime is 392087. The next prime is 392099. The reversal of 392089 is 980293.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 166464 + 225625 = 408^2 + 475^2 .

It is a cyclic number.

It is not a de Polignac number, because 392089 - 2¹ = 392087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 392089.

It is not an unprimeable number, because it can be changed into a prime (392087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5262 + ... + 5335.

It is an arithmetic number, because the mean of its divisors is an integer number (100681).

2³⁹²⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

392089 is a deficient number, since it is larger than the sum of its proper divisors (10635).

392089 is a wasteful number, since it uses less digits than its factorization.

392089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10634.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 392089 is about 626.1701046840. The cubic root of 392089 is about 73.1916525264.

The spelling of 392089 in words is "three hundred ninety-two thousand, eighty-nine".