8105089 has 4 divisors (see below), whose sum is σ = 8112340. Its totient is φ = 8097840.

The previous prime is 8105087. The next prime is 8105099. The reversal of 8105089 is 9805018.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2053489 + 6051600 = 1433^2 + 2460^2 .

It is a cyclic number.

It is not a de Polignac number, because 8105089 - 2¹ = 8105087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8105089.

It is not an unprimeable number, because it can be changed into a prime (8105081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554 + ... + 4315.

It is an arithmetic number, because the mean of its divisors is an integer number (2028085).

Almost surely, 2^8105089 is an apocalyptic number.

It is an amenable number.

8105089 is a deficient number, since it is larger than the sum of its proper divisors (7251).

8105089 is a wasteful number, since it uses less digits than its factorization.

8105089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7250.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 8105089 is about 2846.9437999370. The cubic root of 8105089 is about 200.8719347910.

The spelling of 8105089 in words is "eight million, one hundred five thousand, eighty-nine".