85344618 has 16 divisors (see below), whose sum is σ = 179673120. Its totient is φ = 26950896.

The previous prime is 85344617. The next prime is 85344619. The reversal of 85344618 is 81644358.

It is an interprime number because it is at equal distance from previous prime (85344617) and next prime (85344619).

It is not an unprimeable number, because it can be changed into a prime (85344617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374205 + ... + 374432.

It is an arithmetic number, because the mean of its divisors is an integer number (11229570).

Almost surely, 2^85344618 is an apocalyptic number.

85344618 is an abundant number, since it is smaller than the sum of its proper divisors (94328502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85344618 is a wasteful number, since it uses less digits than its factorization.

85344618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748661.

The product of its digits is 92160, while the sum is 39.

The square root of 85344618 is about 9238.2150873424. The cubic root of 85344618 is about 440.2763725120.

The spelling of 85344618 in words is "eighty-five million, three hundred forty-four thousand, six hundred eighteen".