8398934280 has 192 divisors, whose sum is σ = 30773433600. Its totient is φ = 2036073600.

The previous prime is 8398934261. The next prime is 8398934281. The reversal of 8398934280 is 824398938.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (8398934281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98545 + ... + 162815.

It is an arithmetic number, because the mean of its divisors is an integer number (160278300).

Almost surely, 2^8398934280 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 8398934280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15386716800).

8398934280 is an abundant number, since it is smaller than the sum of its proper divisors (22374499320).

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

8398934280 is a wasteful number, since it uses less digits than its factorization.

8398934280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64313 (or 64292 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 8398934280 is about 91645.6997354486. The cubic root of 8398934280 is about 2032.7067422220.

The spelling of 8398934280 in words is "eight billion, three hundred ninety-eight million, nine hundred thirty-four thousand, two hundred eighty".