8909465 has 4 divisors (see below), whose sum is σ = 10691364. Its totient is φ = 7127568.

The previous prime is 8909449. The next prime is 8909473. The reversal of 8909465 is 5649098.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2778889 + 6130576 = 1667^2 + 2476^2 .

It is a cyclic number.

It is not a de Polignac number, because 8909465 - 2⁴ = 8909449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890942 + ... + 890951.

It is an arithmetic number, because the mean of its divisors is an integer number (2672841).

Almost surely, 2^8909465 is an apocalyptic number.

It is an amenable number.

8909465 is a deficient number, since it is larger than the sum of its proper divisors (1781899).

8909465 is a wasteful number, since it uses less digits than its factorization.

8909465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781898.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 8909465 is about 2984.8726941027. The cubic root of 8909465 is about 207.3085474610.

The spelling of 8909465 in words is "eight million, nine hundred nine thousand, four hundred sixty-five".