84456612 has 72 divisors (see below), whose sum is σ = 229975200. Its totient is φ = 26035968.

The previous prime is 84456611. The next prime is 84456637. The reversal of 84456612 is 21665448.

84456612 is a `hidden beast` number, since 84 + 4 + 566 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (84456611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34939 + ... + 37277.

It is an arithmetic number, because the mean of its divisors is an integer number (3194100).

Almost surely, 2^84456612 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 84456612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114987600).

84456612 is an abundant number, since it is smaller than the sum of its proper divisors (145518588).

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

84456612 is a wasteful number, since it uses less digits than its factorization.

84456612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425 (or 2420 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 84456612 is about 9190.0278563234. The cubic root of 84456612 is about 438.7440284575.

The spelling of 84456612 in words is "eighty-four million, four hundred fifty-six thousand, six hundred twelve".