385306075 has 24 divisors (see below), whose sum is σ = 595676160. Its totient is φ = 240189600.

The previous prime is 385306057. The next prime is 385306087. The reversal of 385306075 is 570603583.

It is not a de Polignac number, because 385306075 - 2¹⁵ = 385273307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98155 + ... + 102004.

It is an arithmetic number, because the mean of its divisors is an integer number (24819840).

Almost surely, 2^385306075 is an apocalyptic number.

385306075 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

385306075 is a deficient number, since it is larger than the sum of its proper divisors (210370085).

385306075 is a wasteful number, since it uses less digits than its factorization.

385306075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200187 (or 200182 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 385306075 is about 19629.2148340172. The cubic root of 385306075 is about 727.6713656528.

The spelling of 385306075 in words is "three hundred eighty-five million, three hundred six thousand, seventy-five".