239073 has 4 divisors (see below), whose sum is σ = 318768. Its totient is φ = 159380.

The previous prime is 239069. The next prime is 239081. The reversal of 239073 is 370932.

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.

It is a cyclic number.

It is not a de Polignac number, because 239073 - 2² = 239069 is a prime.

It is a D-number.

239073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (239023) 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, 39843 + ... + 39848.

It is an arithmetic number, because the mean of its divisors is an integer number (79692).

2²³⁹⁰⁷³ is an apocalyptic number.

It is an amenable number.

239073 is a deficient number, since it is larger than the sum of its proper divisors (79695).

239073 is an equidigital number, since it uses as much as digits as its factorization.

239073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79694.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 239073 is about 488.9509177821. The cubic root of 239073 is about 62.0645356460.

The spelling of 239073 in words is "two hundred thirty-nine thousand, seventy-three".