239938249 has 4 divisors (see below), whose sum is σ = 240104836. Its totient is φ = 239771664.

The previous prime is 239938241. The next prime is 239938297. The reversal of 239938249 is 942839932.

239938249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 128255625 + 111682624 = 11325^2 + 10568^2 .

It is a cyclic number.

It is not a de Polignac number, because 239938249 - 2³ = 239938241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239938241) 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, 81114 + ... + 84019.

It is an arithmetic number, because the mean of its divisors is an integer number (60026209).

Almost surely, 2^239938249 is an apocalyptic number.

It is an amenable number.

239938249 is a deficient number, since it is larger than the sum of its proper divisors (166587).

239938249 is a wasteful number, since it uses less digits than its factorization.

239938249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166586.

The product of its digits is 839808, while the sum is 49.

The square root of 239938249 is about 15489.9402516601. The cubic root of 239938249 is about 621.3931980872.

The spelling of 239938249 in words is "two hundred thirty-nine million, nine hundred thirty-eight thousand, two hundred forty-nine".