8921099 has 8 divisors (see below), whose sum is σ = 9759792. Its totient is φ = 8087040.

The previous prime is 8921071. The next prime is 8921123. The reversal of 8921099 is 9901298.

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

It is a cyclic number.

It is not a de Polignac number, because 8921099 - 2¹⁶ = 8855563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8921069) 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, 3827 + ... + 5699.

It is an arithmetic number, because the mean of its divisors is an integer number (1219974).

Almost surely, 2^8921099 is an apocalyptic number.

8921099 is a deficient number, since it is larger than the sum of its proper divisors (838693).

8921099 is a wasteful number, since it uses less digits than its factorization.

8921099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 8921099 is about 2986.8208851553. The cubic root of 8921099 is about 207.3987428735.

It can be divided in two parts, 892 and 1099, that added together give a palindrome (1991).

The spelling of 8921099 in words is "eight million, nine hundred twenty-one thousand, ninety-nine".