8109465 has 48 divisors (see below), whose sum is σ = 16092288. Its totient is φ = 3414528.

The previous prime is 8109461. The next prime is 8109467. The reversal of 8109465 is 5649018.

It is not a de Polignac number, because 8109465 - 2² = 8109461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8109461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17517 + ... + 17973.

It is an arithmetic number, because the mean of its divisors is an integer number (335256).

Almost surely, 2^8109465 is an apocalyptic number.

It is an amenable number.

8109465 is a deficient number, since it is larger than the sum of its proper divisors (7982823).

8109465 is a wasteful number, since it uses less digits than its factorization.

8109465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 8109465 is about 2847.7122396759. The cubic root of 8109465 is about 200.9080790554.

The spelling of 8109465 in words is "eight million, one hundred nine thousand, four hundred sixty-five".