984948559 has 6 divisors (see below), whose sum is σ = 1145756544. Its totient is φ = 844241580.

The previous prime is 984948553. The next prime is 984948563. The reversal of 984948559 is 955849489.

It is not a de Polignac number, because 984948559 - 2²¹ = 982851407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 984948497 and 984948506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984948553) 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 5 ways as a sum of consecutive naturals, for example, 10050447 + ... + 10050544.

It is an arithmetic number, because the mean of its divisors is an integer number (190959424).

Almost surely, 2^984948559 is an apocalyptic number.

984948559 is a deficient number, since it is larger than the sum of its proper divisors (160807985).

984948559 is a wasteful number, since it uses less digits than its factorization.

984948559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20101005 (or 20100998 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 61.

The square root of 984948559 is about 31383.8901189766. The cubic root of 984948559 is about 994.9574686163.

The spelling of 984948559 in words is "nine hundred eighty-four million, nine hundred forty-eight thousand, five hundred fifty-nine".