239383393 has 2 divisors, whose sum is σ = 239383394. Its totient is φ = 239383392.

The previous prime is 239383367. The next prime is 239383427. The reversal of 239383393 is 393383932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139523344 + 99860049 = 11812^2 + 9993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-239383393 is a prime.

It is not a weakly prime, because it can be changed into another prime (239383363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119691696 + 119691697.

It is an arithmetic number, because the mean of its divisors is an integer number (119691697).

Almost surely, 2^239383393 is an apocalyptic number.

It is an amenable number.

239383393 is a deficient number, since it is larger than the sum of its proper divisors (1).

239383393 is an equidigital number, since it uses as much as digits as its factorization.

239383393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 43.

The square root of 239383393 is about 15472.0196807010. The cubic root of 239383393 is about 620.9138388382.

The spelling of 239383393 in words is "two hundred thirty-nine million, three hundred eighty-three thousand, three hundred ninety-three".