385245117 has 12 divisors (see below), whose sum is σ = 556752924. Its totient is φ = 256697280.

The previous prime is 385245079. The next prime is 385245139. The reversal of 385245117 is 711542583.

It can be written as a sum of positive squares in 2 ways, for example, as 310957956 + 74287161 = 17634^2 + 8619^2 .

It is not a de Polignac number, because 385245117 - 2⁸ = 385244861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385245167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9273 + ... + 29265.

It is an arithmetic number, because the mean of its divisors is an integer number (46396077).

Almost surely, 2^385245117 is an apocalyptic number.

It is an amenable number.

385245117 is a deficient number, since it is larger than the sum of its proper divisors (171507807).

385245117 is a wasteful number, since it uses less digits than its factorization.

385245117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22140 (or 22137 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 385245117 is about 19627.6620360144. The cubic root of 385245117 is about 727.6329894687.

The spelling of 385245117 in words is "three hundred eighty-five million, two hundred forty-five thousand, one hundred seventeen".