85384618 has 24 divisors (see below), whose sum is σ = 143793216. Its totient is φ = 37980360.

The previous prime is 85384589. The next prime is 85384619. The reversal of 85384618 is 81648358.

It is not an unprimeable number, because it can be changed into a prime (85384619) 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, 7621 + ... + 15127.

It is an arithmetic number, because the mean of its divisors is an integer number (5991384).

Almost surely, 2^85384618 is an apocalyptic number.

85384618 is a deficient number, since it is larger than the sum of its proper divisors (58408598).

85384618 is a wasteful number, since it uses less digits than its factorization.

85384618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7578 (or 7567 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 85384618 is about 9240.3797541010. The cubic root of 85384618 is about 440.3451458557.

The spelling of 85384618 in words is "eighty-five million, three hundred eighty-four thousand, six hundred eighteen".