8989557 has 16 divisors (see below), whose sum is σ = 12439680. Its totient is φ = 5769792.

The previous prime is 8989553. The next prime is 8989567. The reversal of 8989557 is 7559898.

8989557 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8989557 - 2² = 8989553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8989553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11728 + ... + 12470.

It is an arithmetic number, because the mean of its divisors is an integer number (777480).

Almost surely, 2^8989557 is an apocalyptic number.

It is an amenable number.

8989557 is a deficient number, since it is larger than the sum of its proper divisors (3450123).

8989557 is a wasteful number, since it uses less digits than its factorization.

8989557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892.

The product of its digits is 907200, while the sum is 51.

The square root of 8989557 is about 2998.2589948168. The cubic root of 8989557 is about 207.9278981478.

The spelling of 8989557 in words is "eight million, nine hundred eighty-nine thousand, five hundred fifty-seven".