239049983 has 2 divisors, whose sum is σ = 239049984. Its totient is φ = 239049982.

The previous prime is 239049901. The next prime is 239050013. The reversal of 239049983 is 389940932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 239049983 - 2¹² = 239045887 is a prime.

It is a Sophie Germain prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239040983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119524991 + 119524992.

It is an arithmetic number, because the mean of its divisors is an integer number (119524992).

Almost surely, 2^239049983 is an apocalyptic number.

239049983 is a deficient number, since it is larger than the sum of its proper divisors (1).

239049983 is an equidigital number, since it uses as much as digits as its factorization.

239049983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 239049983 is about 15461.2413149786. The cubic root of 239049983 is about 620.6254380628.

The spelling of 239049983 in words is "two hundred thirty-nine million, forty-nine thousand, nine hundred eighty-three".