239990041 has 2 divisors, whose sum is σ = 239990042. Its totient is φ = 239990040.

The previous prime is 239989991. The next prime is 239990053. The reversal of 239990041 is 140099932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234090000 + 5900041 = 15300^2 + 2429^2 .

It is a cyclic number.

It is not a de Polignac number, because 239990041 - 2¹³ = 239981849 is a prime.

It is not a weakly prime, because it can be changed into another prime (239990081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119995020 + 119995021.

It is an arithmetic number, because the mean of its divisors is an integer number (119995021).

Almost surely, 2^239990041 is an apocalyptic number.

It is an amenable number.

239990041 is a deficient number, since it is larger than the sum of its proper divisors (1).

239990041 is an equidigital number, since it uses as much as digits as its factorization.

239990041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 239990041 is about 15491.6119561523. The cubic root of 239990041 is about 621.4379052584.

The spelling of 239990041 in words is "two hundred thirty-nine million, nine hundred ninety thousand, forty-one".