984731489 has 12 divisors (see below), whose sum is σ = 1151330004. Its totient is φ = 839762784.

The previous prime is 984731459. The next prime is 984731509. The reversal of 984731489 is 984137489.

It can be written as a sum of positive squares in 2 ways, for example, as 476679889 + 508051600 = 21833^2 + 22540^2 .

It is not a de Polignac number, because 984731489 - 2⁸ = 984731233 is a prime.

It is a super-2 number, since 2×984731489² = 1939392210856314242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 984731489.

It is not an unprimeable number, because it can be changed into a prime (984731459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41354 + ... + 60659.

It is an arithmetic number, because the mean of its divisors is an integer number (95944167).

Almost surely, 2^984731489 is an apocalyptic number.

It is an amenable number.

984731489 is a deficient number, since it is larger than the sum of its proper divisors (166598515).

984731489 is a wasteful number, since it uses less digits than its factorization.

984731489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102224 (or 102217 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 984731489 is about 31380.4316254573. The cubic root of 984731489 is about 994.8843713011.

The spelling of 984731489 in words is "nine hundred eighty-four million, seven hundred thirty-one thousand, four hundred eighty-nine".