9888959 has 4 divisors (see below), whose sum is σ = 9952104. Its totient is φ = 9825816.

The previous prime is 9888947. The next prime is 9888961. The reversal of 9888959 is 9598889.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9888959 - 2⁴ = 9888943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9888929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31337 + ... + 31650.

It is an arithmetic number, because the mean of its divisors is an integer number (2488026).

Almost surely, 2^9888959 is an apocalyptic number.

9888959 is a deficient number, since it is larger than the sum of its proper divisors (63145).

9888959 is a wasteful number, since it uses less digits than its factorization.

9888959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63144.

The product of its digits is 1866240, while the sum is 56.

The square root of 9888959 is about 3144.6715249768. The cubic root of 9888959 is about 214.6430637840.

The spelling of 9888959 in words is "nine million, eight hundred eighty-eight thousand, nine hundred fifty-nine".