85084636 has 48 divisors (see below), whose sum is σ = 191245824. Its totient is φ = 32193216.

The previous prime is 85084633. The next prime is 85084651. The reversal of 85084636 is 63648058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85084633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3291 + ... + 13453.

It is an arithmetic number, because the mean of its divisors is an integer number (3984288).

Almost surely, 2^85084636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85084636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95622912).

85084636 is an abundant number, since it is smaller than the sum of its proper divisors (106161188).

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

85084636 is a wasteful number, since it uses less digits than its factorization.

85084636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210 (or 10208 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 85084636 is about 9224.1333468245. The cubic root of 85084636 is about 439.8288521696.

The spelling of 85084636 in words is "eighty-five million, eighty-four thousand, six hundred thirty-six".