84528012 has 48 divisors (see below), whose sum is σ = 210494592. Its totient is φ = 26307840.

The previous prime is 84527987. The next prime is 84528047. The reversal of 84528012 is 21082548.

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, 25143 + ... + 28305.

It is an arithmetic number, because the mean of its divisors is an integer number (4385304).

Almost surely, 2^84528012 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 84528012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105247296).

84528012 is an abundant number, since it is smaller than the sum of its proper divisors (125966580).

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

84528012 is a wasteful number, since it uses less digits than its factorization.

84528012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318 (or 3316 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 84528012 is about 9193.9116811072. The cubic root of 84528012 is about 438.8676323578.

The spelling of 84528012 in words is "eighty-four million, five hundred twenty-eight thousand, twelve".