239805193 has 2 divisors, whose sum is σ = 239805194. Its totient is φ = 239805192.

The previous prime is 239805143. The next prime is 239805227. The reversal of 239805193 is 391508932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132641289 + 107163904 = 11517^2 + 10352^2 .

It is a cyclic number.

It is not a de Polignac number, because 239805193 - 2²⁵ = 206250761 is a prime.

It is not a weakly prime, because it can be changed into another prime (239805113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119902596 + 119902597.

It is an arithmetic number, because the mean of its divisors is an integer number (119902597).

Almost surely, 2^239805193 is an apocalyptic number.

It is an amenable number.

239805193 is a deficient number, since it is larger than the sum of its proper divisors (1).

239805193 is an equidigital number, since it uses as much as digits as its factorization.

239805193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 239805193 is about 15485.6447395644. The cubic root of 239805193 is about 621.2783138317.

The spelling of 239805193 in words is "two hundred thirty-nine million, eight hundred five thousand, one hundred ninety-three".