8960639 has 8 divisors (see below), whose sum is σ = 9387360. Its totient is φ = 8537056.

The previous prime is 8960617. The next prime is 8960669. The reversal of 8960639 is 9360698.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8960639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8960596 and 8960605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8960669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6677 + ... + 7905.

It is an arithmetic number, because the mean of its divisors is an integer number (1173420).

Almost surely, 2^8960639 is an apocalyptic number.

8960639 is a deficient number, since it is larger than the sum of its proper divisors (426721).

8960639 is a wasteful number, since it uses less digits than its factorization.

8960639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 8960639 is about 2993.4326449747. The cubic root of 8960639 is about 207.7047014622.

The spelling of 8960639 in words is "eight million, nine hundred sixty thousand, six hundred thirty-nine".