8665345 has 16 divisors (see below), whose sum is σ = 11586960. Its totient is φ = 6177024.

The previous prime is 8665333. The next prime is 8665357. The reversal of 8665345 is 5435668.

It is an interprime number because it is at equal distance from previous prime (8665333) and next prime (8665357).

It can be written as a sum of positive squares in 8 ways, for example, as 2070721 + 6594624 = 1439^2 + 2568^2 .

It is a cyclic number.

It is not a de Polignac number, because 8665345 - 2⁵ = 8665313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414 + ... + 4183.

It is an arithmetic number, because the mean of its divisors is an integer number (724185).

Almost surely, 2^8665345 is an apocalyptic number.

It is an amenable number.

8665345 is a deficient number, since it is larger than the sum of its proper divisors (2921615).

8665345 is a wasteful number, since it uses less digits than its factorization.

8665345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644.

The product of its digits is 86400, while the sum is 37.

The square root of 8665345 is about 2943.6958062952. The cubic root of 8665345 is about 205.3975628206.

The spelling of 8665345 in words is "eight million, six hundred sixty-five thousand, three hundred forty-five".