239243205 has 16 divisors (see below), whose sum is σ = 387636480. Its totient is φ = 125980608.

The previous prime is 239243203. The next prime is 239243287. The reversal of 239243205 is 502342932.

239243205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 239243205 - 2¹ = 239243203 is a prime.

It is a super-2 number, since 2×239243205² = 114474622277344050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239243203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99762 + ... + 102131.

It is an arithmetic number, because the mean of its divisors is an integer number (24227280).

Almost surely, 2^239243205 is an apocalyptic number.

It is an amenable number.

239243205 is a deficient number, since it is larger than the sum of its proper divisors (148393275).

239243205 is a wasteful number, since it uses less digits than its factorization.

239243205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201980.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 239243205 is about 15467.4886455429. The cubic root of 239243205 is about 620.7926083922.

The spelling of 239243205 in words is "two hundred thirty-nine million, two hundred forty-three thousand, two hundred five".