8789481 has 12 divisors (see below), whose sum is σ = 12729652. Its totient is φ = 5844096.

The previous prime is 8789477. The next prime is 8789483. The reversal of 8789481 is 1849878.

8789481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3686400 + 5103081 = 1920^2 + 2259^2 .

It is not a de Polignac number, because 8789481 - 2² = 8789477 is a prime.

It is a super-2 number, since 2×8789481² = 154509952498722, which contains 22 as substring.

It is a Duffinian number.

8789481 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8789483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3045 + ... + 5181.

Almost surely, 2^8789481 is an apocalyptic number.

It is an amenable number.

8789481 is a deficient number, since it is larger than the sum of its proper divisors (3940171).

8789481 is a wasteful number, since it uses less digits than its factorization.

8789481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600 (or 2597 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 8789481 is about 2964.7058876050. The cubic root of 8789481 is about 206.3737285158.

The spelling of 8789481 in words is "eight million, seven hundred eighty-nine thousand, four hundred eighty-one".