7286865 has 16 divisors (see below), whose sum is σ = 11695488. Its totient is φ = 3874176.

The previous prime is 7286857. The next prime is 7286887. The reversal of 7286865 is 5686827.

7286865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7286865 - 2³ = 7286857 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6324 + ... + 7386.

It is an arithmetic number, because the mean of its divisors is an integer number (730968).

Almost surely, 2^7286865 is an apocalyptic number.

It is an amenable number.

7286865 is a deficient number, since it is larger than the sum of its proper divisors (4408623).

7286865 is a wasteful number, since it uses less digits than its factorization.

7286865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528.

The product of its digits is 161280, while the sum is 42.

The square root of 7286865 is about 2699.4193820153. The cubic root of 7286865 is about 193.8713232503.

The spelling of 7286865 in words is "seven million, two hundred eighty-six thousand, eight hundred sixty-five".