8219898 has 24 divisors (see below), whose sum is σ = 18385536. Its totient is φ = 2651400.

The previous prime is 8219881. The next prime is 8219899. The reversal of 8219898 is 8989128.

It is not an unprimeable number, because it can be changed into a prime (8219899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6808 + ... + 7923.

It is an arithmetic number, because the mean of its divisors is an integer number (766064).

Almost surely, 2^8219898 is an apocalyptic number.

8219898 is an abundant number, since it is smaller than the sum of its proper divisors (10165638).

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

8219898 is a wasteful number, since it uses less digits than its factorization.

8219898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14770 (or 14767 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 8219898 is about 2867.0364490184. The cubic root of 8219898 is about 201.8159451464.

The spelling of 8219898 in words is "eight million, two hundred nineteen thousand, eight hundred ninety-eight".