385323199 has 4 divisors (see below), whose sum is σ = 385807464. Its totient is φ = 384838936.

The previous prime is 385323187. The next prime is 385323223. The reversal of 385323199 is 991323583.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 385323199 - 2²⁷ = 251105471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385323109) 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 in 3 ways as a sum of consecutive naturals, for example, 240937 + ... + 242530.

It is an arithmetic number, because the mean of its divisors is an integer number (96451866).

Almost surely, 2^385323199 is an apocalyptic number.

385323199 is a deficient number, since it is larger than the sum of its proper divisors (484265).

385323199 is an equidigital number, since it uses as much as digits as its factorization.

385323199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484264.

The product of its digits is 174960, while the sum is 43.

The square root of 385323199 is about 19629.6510157466. The cubic root of 385323199 is about 727.6821453598.

The spelling of 385323199 in words is "three hundred eighty-five million, three hundred twenty-three thousand, one hundred ninety-nine".