8198947 has 8 divisors (see below), whose sum is σ = 8780400. Its totient is φ = 7628544.

The previous prime is 8198917. The next prime is 8198951. The reversal of 8198947 is 7498918.

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 8198947 - 2¹¹ = 8196899 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8198897 and 8198906.

It is not an unprimeable number, because it can be changed into a prime (8198917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197 + ... + 4222.

It is an arithmetic number, because the mean of its divisors is an integer number (1097550).

Almost surely, 2^8198947 is an apocalyptic number.

8198947 is a deficient number, since it is larger than the sum of its proper divisors (581453).

8198947 is a wasteful number, since it uses less digits than its factorization.

8198947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525.

The product of its digits is 145152, while the sum is 46.

The square root of 8198947 is about 2863.3803449769. The cubic root of 8198947 is about 201.6443354216.

The spelling of 8198947 in words is "eight million, one hundred ninety-eight thousand, nine hundred forty-seven".