8199693 has 6 divisors (see below), whose sum is σ = 11844014. Its totient is φ = 5466456.

The previous prime is 8199689. The next prime is 8199703. The reversal of 8199693 is 3969918.

8199693 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8191044 + 8649 = 2862^2 + 93^2 .

It is not a de Polignac number, because 8199693 - 2² = 8199689 is a prime.

It is a Duffinian number.

8199693 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8199613) 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 5 ways as a sum of consecutive naturals, for example, 455530 + ... + 455547.

Almost surely, 2^8199693 is an apocalyptic number.

It is an amenable number.

8199693 is a deficient number, since it is larger than the sum of its proper divisors (3644321).

8199693 is a wasteful number, since it uses less digits than its factorization.

8199693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911083 (or 911080 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 8199693 is about 2863.5106076283. The cubic root of 8199693 is about 201.6504509269.

The spelling of 8199693 in words is "eight million, one hundred ninety-nine thousand, six hundred ninety-three".