8340686 has 4 divisors (see below), whose sum is σ = 12511032. Its totient is φ = 4170342.

The previous prime is 8340679. The next prime is 8340691. The reversal of 8340686 is 6860438.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2085170 + ... + 2085173.

It is an arithmetic number, because the mean of its divisors is an integer number (3127758).

Almost surely, 2^8340686 is an apocalyptic number.

8340686 is a deficient number, since it is larger than the sum of its proper divisors (4170346).

8340686 is a wasteful number, since it uses less digits than its factorization.

8340686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170345.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 8340686 is about 2888.0245843829. The cubic root of 8340686 is about 202.7996761961.

The spelling of 8340686 in words is "eight million, three hundred forty thousand, six hundred eighty-six".