84528642 has 16 divisors (see below), whose sum is σ = 184426272. Its totient is φ = 25614720.

The previous prime is 84528637. The next prime is 84528659. The reversal of 84528642 is 24682548.

It is a super-3 number, since 3×84528642³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84528642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640303 + ... + 640434.

It is an arithmetic number, because the mean of its divisors is an integer number (11526642).

Almost surely, 2^84528642 is an apocalyptic number.

84528642 is an abundant number, since it is smaller than the sum of its proper divisors (99897630).

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

84528642 is a wasteful number, since it uses less digits than its factorization.

84528642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280753.

The product of its digits is 122880, while the sum is 39.

The square root of 84528642 is about 9193.9459428474. The cubic root of 84528642 is about 438.8687226706.

The spelling of 84528642 in words is "eighty-four million, five hundred twenty-eight thousand, six hundred forty-two".