84488660 has 48 divisors (see below), whose sum is σ = 188237952. Its totient is φ = 31785600.

The previous prime is 84488647. The next prime is 84488669. The reversal of 84488660 is 6688448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84488669) 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 15 ways as a sum of consecutive naturals, for example, 26555 + ... + 29565.

It is an arithmetic number, because the mean of its divisors is an integer number (3921624).

Almost surely, 2^84488660 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 84488660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94118976).

84488660 is an abundant number, since it is smaller than the sum of its proper divisors (103749292).

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

84488660 is a wasteful number, since it uses less digits than its factorization.

84488660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104 (or 3102 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 84488660 is about 9191.7713200449. The cubic root of 84488660 is about 438.7995168720.

It can be divided in two parts, 84488 and 660, that multiplied together give a triangular number (55762080 = T₁₀₅₆₀).

The spelling of 84488660 in words is "eighty-four million, four hundred eighty-eight thousand, six hundred sixty".