239440273 has 8 divisors (see below), whose sum is σ = 244268136. Its totient is φ = 234624000.

The previous prime is 239440259. The next prime is 239440307. The reversal of 239440273 is 372044932.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 77845329 + 161594944 = 8823^2 + 12712^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 239440273 - 2⁵ = 239440241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239440573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47473 + ... + 52273.

It is an arithmetic number, because the mean of its divisors is an integer number (30533517).

Almost surely, 2^239440273 is an apocalyptic number.

It is an amenable number.

239440273 is a deficient number, since it is larger than the sum of its proper divisors (4827863).

239440273 is an equidigital number, since it uses as much as digits as its factorization.

239440273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 239440273 is about 15473.8577284399. The cubic root of 239440273 is about 620.9630134862.

The spelling of 239440273 in words is "two hundred thirty-nine million, four hundred forty thousand, two hundred seventy-three".