8921193 has 8 divisors (see below), whose sum is σ = 11913408. Its totient is φ = 5938224.

The previous prime is 8921179. The next prime is 8921197. The reversal of 8921193 is 3911298.

8921193 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8921193 - 2⁵ = 8921161 is a prime.

8921193 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8921197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396 + ... + 4242.

It is an arithmetic number, because the mean of its divisors is an integer number (1489176).

Almost surely, 2^8921193 is an apocalyptic number.

It is an amenable number.

8921193 is a deficient number, since it is larger than the sum of its proper divisors (2992215).

8921193 is a wasteful number, since it uses less digits than its factorization.

8921193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4623.

The product of its digits is 3888, while the sum is 33.

The square root of 8921193 is about 2986.8366209085. The cubic root of 8921193 is about 207.3994713119.

The spelling of 8921193 in words is "eight million, nine hundred twenty-one thousand, one hundred ninety-three".