85318436 has 24 divisors (see below), whose sum is σ = 179618880. Its totient is φ = 34640352.

The previous prime is 85318423. The next prime is 85318447. The reversal of 85318436 is 63481358.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 85318436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79655 + ... + 80718.

It is an arithmetic number, because the mean of its divisors is an integer number (7484120).

Almost surely, 2^85318436 is an apocalyptic number.

It is an amenable number.

85318436 is an abundant number, since it is smaller than the sum of its proper divisors (94300444).

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

85318436 is a wasteful number, since it uses less digits than its factorization.

85318436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160403 (or 160401 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 85318436 is about 9236.7979300188. The cubic root of 85318436 is about 440.2313452830.

The spelling of 85318436 in words is "eighty-five million, three hundred eighteen thousand, four hundred thirty-six".