8665331 has 4 divisors (see below), whose sum is σ = 8672664. Its totient is φ = 8658000.

The previous prime is 8665313. The next prime is 8665333. The reversal of 8665331 is 1335668.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8665331 is a prime.

It is a super-2 number, since 2×8665331² = 150175922679122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (8665333) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1445 + ... + 4406.

It is an arithmetic number, because the mean of its divisors is an integer number (2168166).

Almost surely, 2^8665331 is an apocalyptic number.

8665331 is a deficient number, since it is larger than the sum of its proper divisors (7333).

8665331 is a wasteful number, since it uses less digits than its factorization.

8665331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7332.

The product of its digits is 12960, while the sum is 32.

The square root of 8665331 is about 2943.6934283312. The cubic root of 8665331 is about 205.3974522049.

The spelling of 8665331 in words is "eight million, six hundred sixty-five thousand, three hundred thirty-one".