8368705 has 4 divisors (see below), whose sum is σ = 10042452. Its totient is φ = 6694960.

The previous prime is 8368669. The next prime is 8368739. The reversal of 8368705 is 5078638.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5078638 = 2 ⋅2539319.

It can be written as a sum of positive squares in 2 ways, for example, as 3211264 + 5157441 = 1792^2 + 2271^2 .

It is not a de Polignac number, because 8368705 - 2⁹ = 8368193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 836866 + ... + 836875.

It is an arithmetic number, because the mean of its divisors is an integer number (2510613).

Almost surely, 2^8368705 is an apocalyptic number.

It is an amenable number.

8368705 is a deficient number, since it is larger than the sum of its proper divisors (1673747).

8368705 is a wasteful number, since it uses less digits than its factorization.

8368705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673746.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 8368705 is about 2892.8714108996. The cubic root of 8368705 is about 203.0265117808.

The spelling of 8368705 in words is "eight million, three hundred sixty-eight thousand, seven hundred five".