8021793 has 16 divisors (see below), whose sum is σ = 11684736. Its totient is φ = 4865280.

The previous prime is 8021791. The next prime is 8021801. The reversal of 8021793 is 3971208.

It is a happy number.

It is not a de Polignac number, because 8021793 - 2¹ = 8021791 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8021793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8021791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321 + ... + 4217.

It is an arithmetic number, because the mean of its divisors is an integer number (730296).

Almost surely, 2^8021793 is an apocalyptic number.

It is an amenable number.

8021793 is a deficient number, since it is larger than the sum of its proper divisors (3662943).

8021793 is a wasteful number, since it uses less digits than its factorization.

8021793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 8021793 is about 2832.2769991652. The cubic root of 8021793 is about 200.1814436745.

The spelling of 8021793 in words is "eight million, twenty-one thousand, seven hundred ninety-three".