385982099 has 2 divisors, whose sum is σ = 385982100. Its totient is φ = 385982098.

The previous prime is 385982087. The next prime is 385982101. The reversal of 385982099 is 990289583.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (990289583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385982099 - 2¹² = 385978003 is a prime.

Together with 385982101, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385982099.

It is not a weakly prime, because it can be changed into another prime (385982029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192991049 + 192991050.

It is an arithmetic number, because the mean of its divisors is an integer number (192991050).

Almost surely, 2^385982099 is an apocalyptic number.

385982099 is a deficient number, since it is larger than the sum of its proper divisors (1).

385982099 is an equidigital number, since it uses as much as digits as its factorization.

385982099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The square root of 385982099 is about 19646.4271306515. The cubic root of 385982099 is about 728.0966863041.

It can be divided in two parts, 3859 and 82099, that added together give a palindrome (85958).

The spelling of 385982099 in words is "three hundred eighty-five million, nine hundred eighty-two thousand, ninety-nine".