8981365 has 8 divisors (see below), whose sum is σ = 10794168. Its totient is φ = 7174080.

The previous prime is 8981363. The next prime is 8981377. The reversal of 8981365 is 5631898.

It is a happy number.

8981365 is digitally balanced in base 3, 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 4 ways, for example, as 1012036 + 7969329 = 1006^2 + 2823^2 .

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

It is not a de Polignac number, because 8981365 - 2¹ = 8981363 is a prime.

It is a Duffinian number.

8981365 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8981363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4459 + ... + 6151.

It is an arithmetic number, because the mean of its divisors is an integer number (1349271).

Almost surely, 2^8981365 is an apocalyptic number.

It is an amenable number.

8981365 is a deficient number, since it is larger than the sum of its proper divisors (1812803).

8981365 is a wasteful number, since it uses less digits than its factorization.

8981365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759.

The product of its digits is 51840, while the sum is 40.

The square root of 8981365 is about 2996.8925573000. The cubic root of 8981365 is about 207.8647188012.

The spelling of 8981365 in words is "eight million, nine hundred eighty-one thousand, three hundred sixty-five".