8397198 has 24 divisors (see below), whose sum is σ = 18252000. Its totient is φ = 2790144.

The previous prime is 8397197. The next prime is 8397209. The reversal of 8397198 is 8917938.

It is a super-3 number, since 3×8397198³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8397197) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7563 + ... + 8601.

It is an arithmetic number, because the mean of its divisors is an integer number (760500).

Almost surely, 2^8397198 is an apocalyptic number.

8397198 is an abundant number, since it is smaller than the sum of its proper divisors (9854802).

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

8397198 is a wasteful number, since it uses less digits than its factorization.

8397198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1493 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 8397198 is about 2897.7919179955. The cubic root of 8397198 is about 203.2566661303.

The spelling of 8397198 in words is "eight million, three hundred ninety-seven thousand, one hundred ninety-eight".