8935993 has 4 divisors (see below), whose sum is σ = 9748368. Its totient is φ = 8123620.

The previous prime is 8935987. The next prime is 8936009. The reversal of 8935993 is 3995398.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8935993 - 2⁹ = 8935481 is a prime.

It is a Duffinian number.

8935993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8935933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406171 + ... + 406192.

It is an arithmetic number, because the mean of its divisors is an integer number (2437092).

Almost surely, 2^8935993 is an apocalyptic number.

It is an amenable number.

8935993 is a deficient number, since it is larger than the sum of its proper divisors (812375).

8935993 is a wasteful number, since it uses less digits than its factorization.

8935993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812374.

The product of its digits is 262440, while the sum is 46.

The square root of 8935993 is about 2989.3131318080. The cubic root of 8935993 is about 207.5140978470.

It can be divided in two parts, 893 and 5993, that added together give a palindrome (6886).

The spelling of 8935993 in words is "eight million, nine hundred thirty-five thousand, nine hundred ninety-three".