989475959 has 8 divisors (see below), whose sum is σ = 995836800. Its totient is φ = 983129400.

The previous prime is 989475857. The next prime is 989475983. The reversal of 989475959 is 959574989.

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 989475959 - 2²⁰ = 988427383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 989475895 and 989475904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989475359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158324 + ... + 164454.

It is an arithmetic number, because the mean of its divisors is an integer number (124479600).

Almost surely, 2^989475959 is an apocalyptic number.

989475959 is a deficient number, since it is larger than the sum of its proper divisors (6360841).

989475959 is a wasteful number, since it uses less digits than its factorization.

989475959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141.

The product of its digits is 36741600, while the sum is 65.

The square root of 989475959 is about 31455.9367846516. The cubic root of 989475959 is about 996.4796077144.

The spelling of 989475959 in words is "nine hundred eighty-nine million, four hundred seventy-five thousand, nine hundred fifty-nine".