84798930 has 64 divisors (see below), whose sum is σ = 216069120. Its totient is φ = 21253056.

The previous prime is 84798911. The next prime is 84798977. The reversal of 84798930 is 3989748.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84798930.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39669 + ... + 41751.

It is an arithmetic number, because the mean of its divisors is an integer number (3376080).

Almost surely, 2^84798930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84798930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108034560).

84798930 is an abundant number, since it is smaller than the sum of its proper divisors (131270190).

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

84798930 is a wasteful number, since it uses less digits than its factorization.

84798930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 84798930 is about 9208.6334491063. The cubic root of 84798930 is about 439.3359991538.

The spelling of 84798930 in words is "eighty-four million, seven hundred ninety-eight thousand, nine hundred thirty".