239374261 has 12 divisors (see below), whose sum is σ = 279422892. Its totient is φ = 204465408.

The previous prime is 239374237. The next prime is 239374279. The reversal of 239374261 is 162473932.

It can be written as a sum of positive squares in 2 ways, for example, as 224820036 + 14554225 = 14994^2 + 3815^2 .

It is not a de Polignac number, because 239374261 - 2¹⁷ = 239243189 is a prime.

It is a super-2 number, since 2×239374261² = 114600073658592242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 239374261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239374211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6021 + ... + 22693.

It is an arithmetic number, because the mean of its divisors is an integer number (23285241).

Almost surely, 2^239374261 is an apocalyptic number.

It is an amenable number.

239374261 is a deficient number, since it is larger than the sum of its proper divisors (40048631).

239374261 is a wasteful number, since it uses less digits than its factorization.

239374261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16980 (or 16973 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 239374261 is about 15471.7245645080. The cubic root of 239374261 is about 620.9059431954.

The spelling of 239374261 in words is "two hundred thirty-nine million, three hundred seventy-four thousand, two hundred sixty-one".