84088740 has 96 divisors (see below), whose sum is σ = 247919616. Its totient is φ = 21265920.

The previous prime is 84088733. The next prime is 84088751. The reversal of 84088740 is 4788048.

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 31 ways as a sum of consecutive naturals, for example, 98154 + ... + 99006.

It is an arithmetic number, because the mean of its divisors is an integer number (2582496).

Almost surely, 2^84088740 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 84088740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123959808).

84088740 is an abundant number, since it is smaller than the sum of its proper divisors (163830876).

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

84088740 is a wasteful number, since it uses less digits than its factorization.

84088740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 84088740 is about 9169.9912758955. The cubic root of 84088740 is about 438.1060813509.

The spelling of 84088740 in words is "eighty-four million, eighty-eight thousand, seven hundred forty".