8664319 has 4 divisors (see below), whose sum is σ = 8687560. Its totient is φ = 8641080.

The previous prime is 8664317. The next prime is 8664329. The reversal of 8664319 is 9134668.

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

It is a cyclic number.

It is not a de Polignac number, because 8664319 - 2¹ = 8664317 is a prime.

It is a super-2 number, since 2×8664319² = 150140847467522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8664311) by changing a digit.

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, 11052 + ... + 11809.

It is an arithmetic number, because the mean of its divisors is an integer number (2171890).

Almost surely, 2^8664319 is an apocalyptic number.

8664319 is a deficient number, since it is larger than the sum of its proper divisors (23241).

8664319 is a wasteful number, since it uses less digits than its factorization.

8664319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23240.

The product of its digits is 31104, while the sum is 37.

The square root of 8664319 is about 2943.5215304122. The cubic root of 8664319 is about 205.3894559605.

The spelling of 8664319 in words is "eight million, six hundred sixty-four thousand, three hundred nineteen".