8193998 has 4 divisors (see below), whose sum is σ = 12291000. Its totient is φ = 4096998.

The previous prime is 8193961. The next prime is 8194007. The reversal of 8193998 is 8993918.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048498 + ... + 2048501.

It is an arithmetic number, because the mean of its divisors is an integer number (3072750).

Almost surely, 2^8193998 is an apocalyptic number.

8193998 is a deficient number, since it is larger than the sum of its proper divisors (4097002).

8193998 is a wasteful number, since it uses less digits than its factorization.

8193998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097001.

The product of its digits is 139968, while the sum is 47.

The square root of 8193998 is about 2862.5160261560. The cubic root of 8193998 is about 201.6037554678.

The spelling of 8193998 in words is "eight million, one hundred ninety-three thousand, nine hundred ninety-eight".