382855117 has 2 divisors, whose sum is σ = 382855118. Its totient is φ = 382855116.

The previous prime is 382855051. The next prime is 382855141. The reversal of 382855117 is 711558283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213568996 + 169286121 = 14614^2 + 13011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-382855117 is a prime.

It is a super-2 number, since 2×382855117² = 293156081226167378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 382855117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (382855157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191427558 + 191427559.

It is an arithmetic number, because the mean of its divisors is an integer number (191427559).

Almost surely, 2^382855117 is an apocalyptic number.

It is an amenable number.

382855117 is a deficient number, since it is larger than the sum of its proper divisors (1).

382855117 is an equidigital number, since it uses as much as digits as its factorization.

382855117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 40.

The square root of 382855117 is about 19566.6838529169. The cubic root of 382855117 is about 726.1251602422.

The spelling of 382855117 in words is "three hundred eighty-two million, eight hundred fifty-five thousand, one hundred seventeen".