392231 has 8 divisors (see below), whose sum is σ = 452640. Its totient is φ = 332928.

The previous prime is 392221. The next prime is 392233. The reversal of 392231 is 132293.

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

It is a cyclic number.

It is not a de Polignac number, because 392231 - 2¹⁸ = 130087 is a prime.

It is a super-2 number, since 2×392231² = 307690314722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392233) 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, 755 + ... + 1163.

It is an arithmetic number, because the mean of its divisors is an integer number (56580).

2³⁹²²³¹ is an apocalyptic number.

392231 is a deficient number, since it is larger than the sum of its proper divisors (60409).

392231 is a wasteful number, since it uses less digits than its factorization.

392231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its digits is 324, while the sum is 20.

The square root of 392231 is about 626.2834821389. The cubic root of 392231 is about 73.2004872214.

The spelling of 392231 in words is "three hundred ninety-two thousand, two hundred thirty-one".