84487648 has 96 divisors (see below), whose sum is σ = 205148160. Its totient is φ = 33517440.

The previous prime is 84487633. The next prime is 84487651. The reversal of 84487648 is 84678448.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2725393 + ... + 2725423.

It is an arithmetic number, because the mean of its divisors is an integer number (2136960).

Almost surely, 2^84487648 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 84487648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102574080).

84487648 is an abundant number, since it is smaller than the sum of its proper divisors (120660512).

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

84487648 is an equidigital number, since it uses as much as digits as its factorization.

84487648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 63 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 49.

The square root of 84487648 is about 9191.7162706428. The cubic root of 84487648 is about 438.7977648937.

The spelling of 84487648 in words is "eighty-four million, four hundred eighty-seven thousand, six hundred forty-eight".