84471336 has 80 divisors (see below), whose sum is σ = 240589140. Its totient is φ = 27682560.

The previous prime is 84471319. The next prime is 84471337. The reversal of 84471336 is 63317448.

It can be written as a sum of positive squares in 2 ways, for example, as 58522500 + 25948836 = 7650^2 + 5094^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 84471336.

It is not an unprimeable number, because it can be changed into a prime (84471337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38460 + ... + 40596.

Almost surely, 2^84471336 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 84471336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120294570).

84471336 is an abundant number, since it is smaller than the sum of its proper divisors (156117804).

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

84471336 is a wasteful number, since it uses less digits than its factorization.

84471336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216 (or 2203 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 84471336 is about 9190.8289071226. The cubic root of 84471336 is about 438.7695235669.

The spelling of 84471336 in words is "eighty-four million, four hundred seventy-one thousand, three hundred thirty-six".