385682971 has 2 divisors, whose sum is σ = 385682972. Its totient is φ = 385682970.

The previous prime is 385682959. The next prime is 385683007. The reversal of 385682971 is 179286583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385682971 - 2⁹ = 385682459 is a prime.

It is not a weakly prime, because it can be changed into another prime (385682911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192841485 + 192841486.

It is an arithmetic number, because the mean of its divisors is an integer number (192841486).

Almost surely, 2^385682971 is an apocalyptic number.

385682971 is a deficient number, since it is larger than the sum of its proper divisors (1).

385682971 is an equidigital number, since it uses as much as digits as its factorization.

385682971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 49.

The square root of 385682971 is about 19638.8128714543. The cubic root of 385682971 is about 727.9085511614.

The spelling of 385682971 in words is "three hundred eighty-five million, six hundred eighty-two thousand, nine hundred seventy-one".