8398698 has 80 divisors (see below), whose sum is σ = 21780576. Its totient is φ = 2140320.

The previous prime is 8398679. The next prime is 8398721. The reversal of 8398698 is 8968938.

It is a self number, because there is not a number n which added to its sum of digits gives 8398698.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 158440 + ... + 158492.

Almost surely, 2^8398698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8398698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10890288).

8398698 is an abundant number, since it is smaller than the sum of its proper divisors (13381878).

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

8398698 is a wasteful number, since it uses less digits than its factorization.

8398698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 76 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 8398698 is about 2898.0507241938. The cubic root of 8398698 is about 203.2687680579.

The spelling of 8398698 in words is "eight million, three hundred ninety-eight thousand, six hundred ninety-eight".