382688233 has 2 divisors, whose sum is σ = 382688234. Its totient is φ = 382688232.

The previous prime is 382688227. The next prime is 382688281. The reversal of 382688233 is 332886283.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254817369 + 127870864 = 15963^2 + 11308^2 .

It is an emirp because it is prime and its reverse (332886283) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-382688233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 382688233.

It is not a weakly prime, because it can be changed into another prime (382688213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191344116 + 191344117.

It is an arithmetic number, because the mean of its divisors is an integer number (191344117).

Almost surely, 2^382688233 is an apocalyptic number.

It is an amenable number.

382688233 is a deficient number, since it is larger than the sum of its proper divisors (1).

382688233 is an equidigital number, since it uses as much as digits as its factorization.

382688233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 43.

The square root of 382688233 is about 19562.4188944006. The cubic root of 382688233 is about 726.0196405324.

The spelling of 382688233 in words is "three hundred eighty-two million, six hundred eighty-eight thousand, two hundred thirty-three".