8398226 has 12 divisors (see below), whose sum is σ = 13049322. Its totient is φ = 4053504.

The previous prime is 8398217. The next prime is 8398231. The reversal of 8398226 is 6228938.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6838225 + 1560001 = 2615^2 + 1249^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 8 + 3⁶ + 9² + 8³ + 2⁹ + 2²³ + 6⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 8398226.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 815 + ... + 4178.

Almost surely, 2^8398226 is an apocalyptic number.

8398226 is a deficient number, since it is larger than the sum of its proper divisors (4651096).

8398226 is a wasteful number, since it uses less digits than its factorization.

8398226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053 (or 5024 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 8398226 is about 2897.9692890022. The cubic root of 8398226 is about 203.2649601401.

The spelling of 8398226 in words is "eight million, three hundred ninety-eight thousand, two hundred twenty-six".