8684349 has 16 divisors (see below), whose sum is σ = 12257280. Its totient is φ = 5454000.

The previous prime is 8684341. The next prime is 8684359. The reversal of 8684349 is 9434868.

It is not a de Polignac number, because 8684349 - 2³ = 8684341 is a prime.

It is an Ulam number.

It is a Curzon number.

8684349 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8684349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8684341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14004 + ... + 14610.

It is an arithmetic number, because the mean of its divisors is an integer number (766080).

Almost surely, 2^8684349 is an apocalyptic number.

It is an amenable number.

8684349 is a deficient number, since it is larger than the sum of its proper divisors (3572931).

8684349 is a wasteful number, since it uses less digits than its factorization.

8684349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its digits is 165888, while the sum is 42.

The square root of 8684349 is about 2946.9219534966. The cubic root of 8684349 is about 205.5476059042.

The spelling of 8684349 in words is "eight million, six hundred eighty-four thousand, three hundred forty-nine".