382205947 has 2 divisors, whose sum is σ = 382205948. Its totient is φ = 382205946.

The previous prime is 382205921. The next prime is 382205963. The reversal of 382205947 is 749502283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 382205947 - 2¹⁵ = 382173179 is a prime.

It is a super-3 number, since 3×382205947³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (382205987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191102973 + 191102974.

It is an arithmetic number, because the mean of its divisors is an integer number (191102974).

Almost surely, 2^382205947 is an apocalyptic number.

382205947 is a deficient number, since it is larger than the sum of its proper divisors (1).

382205947 is an equidigital number, since it uses as much as digits as its factorization.

382205947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 382205947 is about 19550.0881583690. The cubic root of 382205947 is about 725.7145215749.

The spelling of 382205947 in words is "three hundred eighty-two million, two hundred five thousand, nine hundred forty-seven".