8198664 has 32 divisors (see below), whose sum is σ = 20593440. Its totient is φ = 2720000.

The previous prime is 8198651. The next prime is 8198669. The reversal of 8198664 is 4668918.

It is a plaindrome in base 14.

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, 5344 + ... + 6704.

It is an arithmetic number, because the mean of its divisors is an integer number (643545).

Almost surely, 2^8198664 is an apocalyptic number.

It is an amenable number.

8198664 is an abundant number, since it is smaller than the sum of its proper divisors (12394776).

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

8198664 is a wasteful number, since it uses less digits than its factorization.

8198664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1617 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 8198664 is about 2863.3309274340. The cubic root of 8198664 is about 201.6420153675.

The spelling of 8198664 in words is "eight million, one hundred ninety-eight thousand, six hundred sixty-four".