97239 has 4 divisors (see below), whose sum is σ = 129656. Its totient is φ = 64824.

The previous prime is 97231. The next prime is 97241. The reversal of 97239 is 93279.

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

It is not a de Polignac number, because 97239 - 2³ = 97231 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97231) 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, 16204 + ... + 16209.

It is an arithmetic number, because the mean of its divisors is an integer number (32414).

2⁹⁷²³⁹ is an apocalyptic number.

97239 is a deficient number, since it is larger than the sum of its proper divisors (32417).

97239 is a wasteful number, since it uses less digits than its factorization.

97239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32416.

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

The square root of 97239 is about 311.8316853689. The cubic root of 97239 is about 45.9847145180.

The spelling of 97239 in words is "ninety-seven thousand, two hundred thirty-nine".