239272489 has 4 divisors (see below), whose sum is σ = 239360656. Its totient is φ = 239184324.

The previous prime is 239272487. The next prime is 239272493. The reversal of 239272489 is 984272932.

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 239272489 - 2¹ = 239272487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239272487) 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, 39879 + ... + 45484.

It is an arithmetic number, because the mean of its divisors is an integer number (59840164).

Almost surely, 2^239272489 is an apocalyptic number.

It is an amenable number.

239272489 is a deficient number, since it is larger than the sum of its proper divisors (88167).

239272489 is an equidigital number, since it uses as much as digits as its factorization.

239272489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88166.

The product of its digits is 435456, while the sum is 46.

The square root of 239272489 is about 15468.4352473028. The cubic root of 239272489 is about 620.8179362436.

The spelling of 239272489 in words is "two hundred thirty-nine million, two hundred seventy-two thousand, four hundred eighty-nine".