232928393 has 2 divisors, whose sum is σ = 232928394. Its totient is φ = 232928392.

The previous prime is 232928387. The next prime is 232928413. The reversal of 232928393 is 393829232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172213129 + 60715264 = 13123^2 + 7792^2 .

It is a cyclic number.

It is not a de Polignac number, because 232928393 - 2⁶ = 232928329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232928393.

It is not a weakly prime, because it can be changed into another prime (232928303) 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, 116464196 + 116464197.

It is an arithmetic number, because the mean of its divisors is an integer number (116464197).

Almost surely, 2^232928393 is an apocalyptic number.

It is an amenable number.

232928393 is a deficient number, since it is larger than the sum of its proper divisors (1).

232928393 is an equidigital number, since it uses as much as digits as its factorization.

232928393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 41.

The square root of 232928393 is about 15261.9917769602. The cubic root of 232928393 is about 615.2819057033.

The spelling of 232928393 in words is "two hundred thirty-two million, nine hundred twenty-eight thousand, three hundred ninety-three".