4089465 has 24 divisors (see below), whose sum is σ = 7463040. Its totient is φ = 2065824.

The previous prime is 4089439. The next prime is 4089473. The reversal of 4089465 is 5649804.

It is not a de Polignac number, because 4089465 - 2⁸ = 4089209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1537 + ... + 3246.

It is an arithmetic number, because the mean of its divisors is an integer number (310960).

Almost surely, 2^4089465 is an apocalyptic number.

4089465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4089465 is a deficient number, since it is larger than the sum of its proper divisors (3373575).

4089465 is a wasteful number, since it uses less digits than its factorization.

4089465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4813 (or 4810 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4089465 is about 2022.2425670527. The cubic root of 4089465 is about 159.9148635609.

It can be divided in two parts, 4089 and 465, that added together give a palindrome (4554).

The spelling of 4089465 in words is "four million, eighty-nine thousand, four hundred sixty-five".