8321898 has 48 divisors (see below), whose sum is σ = 18709920. Its totient is φ = 2463552.

The previous prime is 8321897. The next prime is 8321903. The reversal of 8321898 is 8981238.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (8321897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29265 + ... + 29547.

It is an arithmetic number, because the mean of its divisors is an integer number (389790).

Almost surely, 2^8321898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8321898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9354960).

8321898 is an abundant number, since it is smaller than the sum of its proper divisors (10388022).

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

8321898 is a wasteful number, since it uses less digits than its factorization.

8321898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 330 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 8321898 is about 2884.7700081636. The cubic root of 8321898 is about 202.6472880584.

The spelling of 8321898 in words is "eight million, three hundred twenty-one thousand, eight hundred ninety-eight".