8704085 has 16 divisors (see below), whose sum is σ = 11911536. Its totient is φ = 6048768.

The previous prime is 8704067. The next prime is 8704117. The reversal of 8704085 is 5804078.

It can be written as a sum of positive squares in 8 ways, for example, as 813604 + 7890481 = 902^2 + 2809^2 .

It is a cyclic number.

It is not a de Polignac number, because 8704085 - 2⁸ = 8703829 is a prime.

It is a super-2 number, since 2×8704085² = 151522191374450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2834 + ... + 5043.

It is an arithmetic number, because the mean of its divisors is an integer number (744471).

Almost surely, 2^8704085 is an apocalyptic number.

8704085 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8704085 is a deficient number, since it is larger than the sum of its proper divisors (3207451).

8704085 is a wasteful number, since it uses less digits than its factorization.

8704085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 8704085 is about 2950.2686318368. The cubic root of 8704085 is about 205.7031968551.

It can be divided in two parts, 87040 and 85, that multiplied together give a square (7398400 = 2720²).

The spelling of 8704085 in words is "eight million, seven hundred four thousand, eighty-five".