84123468 has 144 divisors (see below), whose sum is σ = 258249600. Its totient is φ = 23474880.

The previous prime is 84123449. The next prime is 84123493. The reversal of 84123468 is 86432148.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200563 + ... + 200981.

It is an arithmetic number, because the mean of its divisors is an integer number (1793400).

Almost surely, 2^84123468 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 84123468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129124800).

84123468 is an abundant number, since it is smaller than the sum of its proper divisors (174126132).

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

84123468 is a wasteful number, since it uses less digits than its factorization.

84123468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 448 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 84123468 is about 9171.8846482062. The cubic root of 84123468 is about 438.1663845257.

The spelling of 84123468 in words is "eighty-four million, one hundred twenty-three thousand, four hundred sixty-eight".