8639414 has 16 divisors (see below), whose sum is σ = 15590400. Its totient is φ = 3507624.

The previous prime is 8639413. The next prime is 8639441. The reversal of 8639414 is 4149368.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8639413) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15974 + ... + 16505.

It is an arithmetic number, because the mean of its divisors is an integer number (974400).

Almost surely, 2^8639414 is an apocalyptic number.

8639414 is a deficient number, since it is larger than the sum of its proper divisors (6950986).

8639414 is a wasteful number, since it uses less digits than its factorization.

8639414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32507.

The product of its digits is 20736, while the sum is 35.

The square root of 8639414 is about 2939.2880090253. The cubic root of 8639414 is about 205.1924743949.

The spelling of 8639414 in words is "eight million, six hundred thirty-nine thousand, four hundred fourteen".