8183993 has 8 divisors (see below), whose sum is σ = 8441928. Its totient is φ = 7928064.

The previous prime is 8183977. The next prime is 8184017. The reversal of 8183993 is 3993818.

It can be written as a sum of positive squares in 4 ways, for example, as 3396649 + 4787344 = 1843^2 + 2188^2 .

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

It is not a de Polignac number, because 8183993 - 2⁴ = 8183977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8183993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8183933) 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, 13505 + ... + 14097.

It is an arithmetic number, because the mean of its divisors is an integer number (1055241).

Almost surely, 2^8183993 is an apocalyptic number.

It is an amenable number.

8183993 is a deficient number, since it is larger than the sum of its proper divisors (257935).

8183993 is a wasteful number, since it uses less digits than its factorization.

8183993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003.

The product of its digits is 46656, while the sum is 41.

The square root of 8183993 is about 2860.7679039027. The cubic root of 8183993 is about 201.5216682669.

The spelling of 8183993 in words is "eight million, one hundred eighty-three thousand, nine hundred ninety-three".