85986336 has 24 divisors (see below), whose sum is σ = 225714384. Its totient is φ = 28662080.

The previous prime is 85986317. The next prime is 85986337. The reversal of 85986336 is 63368958.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (85986337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447750 + ... + 447941.

It is an arithmetic number, because the mean of its divisors is an integer number (9404766).

Almost surely, 2^85986336 is an apocalyptic number.

It is an amenable number.

85986336 is an abundant number, since it is smaller than the sum of its proper divisors (139728048).

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

85986336 is a wasteful number, since it uses less digits than its factorization.

85986336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895704 (or 895696 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 85986336 is about 9272.8817527239. The cubic root of 85986336 is about 441.3771178883.

The spelling of 85986336 in words is "eighty-five million, nine hundred eighty-six thousand, three hundred thirty-six".