239097169 has 4 divisors (see below), whose sum is σ = 239132160. Its totient is φ = 239062180.

The previous prime is 239097049. The next prime is 239097193. The reversal of 239097169 is 961790932.

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 239097169 - 2⁷ = 239097041 is a prime.

It is a super-2 number, since 2×239097169² = 114334912447629122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239097569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3529 + ... + 22150.

It is an arithmetic number, because the mean of its divisors is an integer number (59783040).

Almost surely, 2^239097169 is an apocalyptic number.

It is an amenable number.

239097169 is a deficient number, since it is larger than the sum of its proper divisors (34991).

239097169 is an equidigital number, since it uses as much as digits as its factorization.

239097169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34990.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 239097169 is about 15462.7671844337. The cubic root of 239097169 is about 620.6662703954. Note that the first 3 decimals are identical.

The spelling of 239097169 in words is "two hundred thirty-nine million, ninety-seven thousand, one hundred sixty-nine".