8821489 has 8 divisors (see below), whose sum is σ = 9317952. Its totient is φ = 8334480.

The previous prime is 8821457. The next prime is 8821507. The reversal of 8821489 is 9841288.

8821489 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 8821489 - 2⁵ = 8821457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8821889) 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, 402 + ... + 4219.

It is an arithmetic number, because the mean of its divisors is an integer number (1164744).

Almost surely, 2^8821489 is an apocalyptic number.

It is an amenable number.

8821489 is a deficient number, since it is larger than the sum of its proper divisors (496463).

8821489 is a wasteful number, since it uses less digits than its factorization.

8821489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727.

The product of its digits is 36864, while the sum is 40.

The square root of 8821489 is about 2970.0991565939. The cubic root of 8821489 is about 206.6239369979.

The spelling of 8821489 in words is "eight million, eight hundred twenty-one thousand, four hundred eighty-nine".