239097 has 4 divisors (see below), whose sum is σ = 318800. Its totient is φ = 159396.

The previous prime is 239087. The next prime is 239119. The reversal of 239097 is 790932.

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 not a de Polignac number, because 239097 - 2⁴ = 239081 is a prime.

It is a D-number.

It is a Duffinian number.

239097 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (239017) 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, 39847 + ... + 39852.

It is an arithmetic number, because the mean of its divisors is an integer number (79700).

2²³⁹⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

239097 is a deficient number, since it is larger than the sum of its proper divisors (79703).

239097 is an equidigital number, since it uses as much as digits as its factorization.

239097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79702.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 239097 is about 488.9754595069. The cubic root of 239097 is about 62.0666124161.

The spelling of 239097 in words is "two hundred thirty-nine thousand, ninety-seven".