85413860 has 48 divisors (see below), whose sum is σ = 209193600. Its totient is φ = 29282400.

The previous prime is 85413859. The next prime is 85413877. The reversal of 85413860 is 6831458.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 85413860.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635 + ... + 13085.

It is an arithmetic number, because the mean of its divisors is an integer number (4358200).

Almost surely, 2^85413860 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 85413860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104596800).

85413860 is an abundant number, since it is smaller than the sum of its proper divisors (123779740).

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

85413860 is a wasteful number, since it uses less digits than its factorization.

85413860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12481 (or 12465 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 85413860 is about 9241.9619129274. The cubic root of 85413860 is about 440.3954090193.

The spelling of 85413860 in words is "eighty-five million, four hundred thirteen thousand, eight hundred sixty".