392081 has 4 divisors (see below), whose sum is σ = 409152. Its totient is φ = 375012.

The previous prime is 392069. The next prime is 392087. The reversal of 392081 is 180293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180293 = 29 ⋅6217.

It is a cyclic number.

It is not a de Polignac number, because 392081 - 2¹⁰ = 391057 is a prime.

It is a super-2 number, since 2×392081² = 307455021122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 17047 = 392081 / (3 + 9 + 2 + 0 + 8 + 1).

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 392081.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8501 + ... + 8546.

It is an arithmetic number, because the mean of its divisors is an integer number (102288).

2³⁹²⁰⁸¹ is an apocalyptic number.

It is an amenable number.

392081 is a deficient number, since it is larger than the sum of its proper divisors (17071).

392081 is a wasteful number, since it uses less digits than its factorization.

392081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17070.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 392081 is about 626.1637166109. The cubic root of 392081 is about 73.1911547336.

The spelling of 392081 in words is "three hundred ninety-two thousand, eighty-one".