8198663 has 8 divisors (see below), whose sum is σ = 9232896. Its totient is φ = 7212600.

The previous prime is 8198651. The next prime is 8198669. The reversal of 8198663 is 3668918.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8198663 - 2¹⁶ = 8133127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8198663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8198669) 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, 11681 + ... + 12362.

It is an arithmetic number, because the mean of its divisors is an integer number (1154112).

Almost surely, 2^8198663 is an apocalyptic number.

8198663 is a deficient number, since it is larger than the sum of its proper divisors (1034233).

8198663 is a wasteful number, since it uses less digits than its factorization.

8198663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24085.

The product of its digits is 62208, while the sum is 41.

The square root of 8198663 is about 2863.3307528122. The cubic root of 8198663 is about 201.6420071693.

The spelling of 8198663 in words is "eight million, one hundred ninety-eight thousand, six hundred sixty-three".