239212849 has 2 divisors, whose sum is σ = 239212850. Its totient is φ = 239212848.

The previous prime is 239212783. The next prime is 239212861. The reversal of 239212849 is 948212932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202549824 + 36663025 = 14232^2 + 6055^2 .

It is a cyclic number.

It is not a de Polignac number, because 239212849 - 2¹¹ = 239210801 is a prime.

It is not a weakly prime, because it can be changed into another prime (239212879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119606424 + 119606425.

It is an arithmetic number, because the mean of its divisors is an integer number (119606425).

Almost surely, 2^239212849 is an apocalyptic number.

It is an amenable number.

239212849 is a deficient number, since it is larger than the sum of its proper divisors (1).

239212849 is an equidigital number, since it uses as much as digits as its factorization.

239212849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 239212849 is about 15466.5073303574. The cubic root of 239212849 is about 620.7663511818.

The spelling of 239212849 in words is "two hundred thirty-nine million, two hundred twelve thousand, eight hundred forty-nine".