8045993 has 4 divisors (see below), whose sum is σ = 8090628. Its totient is φ = 8001360.

The previous prime is 8045971. The next prime is 8046001. The reversal of 8045993 is 3995408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 582169 + 7463824 = 763^2 + 2732^2 .

It is a cyclic number.

It is not a de Polignac number, because 8045993 - 2¹² = 8041897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8045903) 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 3 ways as a sum of consecutive naturals, for example, 22046 + ... + 22407.

It is an arithmetic number, because the mean of its divisors is an integer number (2022657).

Almost surely, 2^8045993 is an apocalyptic number.

It is an amenable number.

8045993 is a deficient number, since it is larger than the sum of its proper divisors (44635).

8045993 is a wasteful number, since it uses less digits than its factorization.

8045993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44634.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 8045993 is about 2836.5459629627. The cubic root of 8045993 is about 200.3825428384.

The spelling of 8045993 in words is "eight million, forty-five thousand, nine hundred ninety-three".