8081198 has 16 divisors (see below), whose sum is σ = 12610080. Its totient is φ = 3879456.

The previous prime is 8081197. The next prime is 8081221. The reversal of 8081198 is 8911808.

It is a super-2 number, since 2×8081198² = 130611522230408, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15815 + ... + 16317.

It is an arithmetic number, because the mean of its divisors is an integer number (788130).

Almost surely, 2^8081198 is an apocalyptic number.

8081198 is a deficient number, since it is larger than the sum of its proper divisors (4528882).

8081198 is a wasteful number, since it uses less digits than its factorization.

8081198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its (nonzero) digits is 4608, while the sum is 35.

The square root of 8081198 is about 2842.7448003646. The cubic root of 8081198 is about 200.6743735458.

The spelling of 8081198 in words is "eight million, eighty-one thousand, one hundred ninety-eight".