8193997 has 8 divisors (see below), whose sum is σ = 9857600. Its totient is φ = 6653664.

The previous prime is 8193961. The next prime is 8194007. The reversal of 8193997 is 7993918.

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-8193997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8193907) 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, 30672 + ... + 30937.

It is an arithmetic number, because the mean of its divisors is an integer number (1232200).

Almost surely, 2^8193997 is an apocalyptic number.

It is an amenable number.

8193997 is a deficient number, since it is larger than the sum of its proper divisors (1663603).

8193997 is a wasteful number, since it uses less digits than its factorization.

8193997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61635.

The product of its digits is 122472, while the sum is 46.

The square root of 8193997 is about 2862.5158514845. The cubic root of 8193997 is about 201.6037472665.

The spelling of 8193997 in words is "eight million, one hundred ninety-three thousand, nine hundred ninety-seven".