239939253 has 20 divisors (see below), whose sum is σ = 364510080. Its totient is φ = 157245192.

The previous prime is 239939237. The next prime is 239939279. The reversal of 239939253 is 352939932.

239939253 is a `hidden beast` number, since 2 + 399 + 3 + 9 + 253 = 666.

It is not a de Polignac number, because 239939253 - 2⁴ = 239939237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 239939199 and 239939208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239939213) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20325 + ... + 29882.

It is an arithmetic number, because the mean of its divisors is an integer number (18225504).

Almost surely, 2^239939253 is an apocalyptic number.

It is an amenable number.

239939253 is a deficient number, since it is larger than the sum of its proper divisors (124570827).

239939253 is an equidigital number, since it uses as much as digits as its factorization.

239939253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50278 (or 50269 counting only the distinct ones).

The product of its digits is 393660, while the sum is 45.

The square root of 239939253 is about 15489.9726597564. The cubic root of 239939253 is about 621.3940648072.

The spelling of 239939253 in words is "two hundred thirty-nine million, nine hundred thirty-nine thousand, two hundred fifty-three".