8728959 has 8 divisors (see below), whose sum is σ = 11652480. Its totient is φ = 5812376.

The previous prime is 8728943. The next prime is 8728963. The reversal of 8728959 is 9598278.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8728959 - 2⁴ = 8728943 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8728969) 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, 3262 + ... + 5300.

It is an arithmetic number, because the mean of its divisors is an integer number (1456560).

Almost surely, 2^8728959 is an apocalyptic number.

8728959 is a deficient number, since it is larger than the sum of its proper divisors (2923521).

8728959 is a wasteful number, since it uses less digits than its factorization.

8728959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469.

The product of its digits is 362880, while the sum is 48.

The square root of 8728959 is about 2954.4811727273. The cubic root of 8728959 is about 205.8989591519.

The spelling of 8728959 in words is "eight million, seven hundred twenty-eight thousand, nine hundred fifty-nine".