8921693 has 8 divisors (see below), whose sum is σ = 9814656. Its totient is φ = 8109420.

The previous prime is 8921669. The next prime is 8921701. The reversal of 8921693 is 3961298.

8921693 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8921693 - 2⁶ = 8921629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8921603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021 + ... + 4682.

It is an arithmetic number, because the mean of its divisors is an integer number (1226832).

Almost surely, 2^8921693 is an apocalyptic number.

It is an amenable number.

8921693 is a deficient number, since it is larger than the sum of its proper divisors (892963).

8921693 is an equidigital number, since it uses as much as digits as its factorization.

8921693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736 (or 6714 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 8921693 is about 2986.9203203300. The cubic root of 8921693 is about 207.4033458983.

The spelling of 8921693 in words is "eight million, nine hundred twenty-one thousand, six hundred ninety-three".