8640014 has 8 divisors (see below), whose sum is σ = 12972960. Its totient is φ = 4315696.

The previous prime is 8640013. The next prime is 8640017. The reversal of 8640014 is 4100468.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8640013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1802 + ... + 4530.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 2^8640014 is an apocalyptic number.

8640014 is a deficient number, since it is larger than the sum of its proper divisors (4332946).

8640014 is a wasteful number, since it uses less digits than its factorization.

8640014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 8640014 is about 2939.3900727872. The cubic root of 8640014 is about 205.1972244329.

The spelling of 8640014 in words is "eight million, six hundred forty thousand, fourteen".