84427304 has 72 divisors (see below), whose sum is σ = 184577610. Its totient is φ = 35982336.

The previous prime is 84427261. The next prime is 84427309. The reversal of 84427304 is 40372448.

It can be written as a sum of positive squares in 9 ways, for example, as 36844900 + 47582404 = 6070^2 + 6898^2 .

It is not an unprimeable number, because it can be changed into a prime (84427309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1592942 + ... + 1592994.

Almost surely, 2^84427304 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 84427304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92288805).

84427304 is an abundant number, since it is smaller than the sum of its proper divisors (100150306).

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

84427304 is a wasteful number, since it uses less digits than its factorization.

84427304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 84427304 is about 9188.4331634942. The cubic root of 84427304 is about 438.6932718328.

The spelling of 84427304 in words is "eighty-four million, four hundred twenty-seven thousand, three hundred four".