984242489 has 8 divisors (see below), whose sum is σ = 1061803080. Its totient is φ = 908866816.

The previous prime is 984242477. The next prime is 984242491.

984242489 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 86341264 + 897901225 = 9292^2 + 29965^2 .

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 984242489 - 2²⁴ = 967465273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (984242449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545294 + ... + 547095.

It is an arithmetic number, because the mean of its divisors is an integer number (132725385).

Almost surely, 2^984242489 is an apocalyptic number.

It is an amenable number.

984242489 is a deficient number, since it is larger than the sum of its proper divisors (77560591).

984242489 is a wasteful number, since it uses less digits than its factorization.

984242489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092459.

The product of its digits is 1327104, while the sum is 50.

The square root of 984242489 is about 31372.6391781119. The cubic root of 984242489 is about 994.7196634547.

The spelling of 984242489 in words is "nine hundred eighty-four million, two hundred forty-two thousand, four hundred eighty-nine".