239293997 has 2 divisors, whose sum is σ = 239293998. Its totient is φ = 239293996.

The previous prime is 239293987. The next prime is 239294089. The reversal of 239293997 is 799392932.

239293997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216119401 + 23174596 = 14701^2 + 4814^2 .

It is a cyclic number.

It is not a de Polignac number, because 239293997 - 2¹² = 239289901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239293907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119646998 + 119646999.

It is an arithmetic number, because the mean of its divisors is an integer number (119646999).

Almost surely, 2^239293997 is an apocalyptic number.

It is an amenable number.

239293997 is a deficient number, since it is larger than the sum of its proper divisors (1).

239293997 is an equidigital number, since it uses as much as digits as its factorization.

239293997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1653372, while the sum is 53.

The square root of 239293997 is about 15469.1304539072. The cubic root of 239293997 is about 620.8365372846.

The spelling of 239293997 in words is "two hundred thirty-nine million, two hundred ninety-three thousand, nine hundred ninety-seven".