8739665 has 16 divisors (see below), whose sum is σ = 11537856. Its totient is φ = 6302400.

The previous prime is 8739637. The next prime is 8739667. The reversal of 8739665 is 5669378.

It is not a de Polignac number, because 8739665 - 2¹⁰ = 8738641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8739667) 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 15 ways as a sum of consecutive naturals, for example, 6599 + ... + 7811.

It is an arithmetic number, because the mean of its divisors is an integer number (721116).

Almost surely, 2^8739665 is an apocalyptic number.

It is an amenable number.

8739665 is a deficient number, since it is larger than the sum of its proper divisors (2798191).

8739665 is a wasteful number, since it uses less digits than its factorization.

8739665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360.

The product of its digits is 272160, while the sum is 44.

The square root of 8739665 is about 2956.2924415558. The cubic root of 8739665 is about 205.9831025823.

The spelling of 8739665 in words is "eight million, seven hundred thirty-nine thousand, six hundred sixty-five".