84568536 has 80 divisors (see below), whose sum is σ = 255116400. Its totient is φ = 26018496.

The previous prime is 84568511. The next prime is 84568537. The reversal of 84568536 is 63586548.

84568536 is a `hidden beast` number, since 84 + 568 + 5 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 84568491 and 84568500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84568537) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3405 + ... + 13443.

It is an arithmetic number, because the mean of its divisors is an integer number (3188955).

Almost surely, 2^84568536 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 84568536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127558200).

84568536 is an abundant number, since it is smaller than the sum of its proper divisors (170547864).

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

84568536 is a wasteful number, since it uses less digits than its factorization.

84568536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10070 (or 10057 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 84568536 is about 9196.1152667852. The cubic root of 84568536 is about 438.9377544006.

The spelling of 84568536 in words is "eighty-four million, five hundred sixty-eight thousand, five hundred thirty-six".