8198743 has 8 divisors (see below), whose sum is σ = 9921312. Its totient is φ = 6614016.

The previous prime is 8198717. The next prime is 8198753. The reversal of 8198743 is 3478918.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8198743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8198696 and 8198705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8198713) 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, 34330 + ... + 34567.

It is an arithmetic number, because the mean of its divisors is an integer number (1240164).

Almost surely, 2^8198743 is an apocalyptic number.

8198743 is a deficient number, since it is larger than the sum of its proper divisors (1722569).

8198743 is a wasteful number, since it uses less digits than its factorization.

8198743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68921.

The product of its digits is 48384, while the sum is 40.

The square root of 8198743 is about 2863.3447225229. The cubic root of 8198743 is about 201.6426630205.

The spelling of 8198743 in words is "eight million, one hundred ninety-eight thousand, seven hundred forty-three".