984545489 has 2 divisors, whose sum is σ = 984545490. Its totient is φ = 984545488.

The previous prime is 984545473. The next prime is 984545509.

984545489 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 715027600 + 269517889 = 26740^2 + 16417^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 984545489 - 2⁴ = 984545473 is a prime.

It is not a weakly prime, because it can be changed into another prime (984545459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492272744 + 492272745.

It is an arithmetic number, because the mean of its divisors is an integer number (492272745).

Almost surely, 2^984545489 is an apocalyptic number.

It is an amenable number.

984545489 is a deficient number, since it is larger than the sum of its proper divisors (1).

984545489 is an equidigital number, since it uses as much as digits as its factorization.

984545489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8294400, while the sum is 56.

The square root of 984545489 is about 31377.4678551345. The cubic root of 984545489 is about 994.8217281179.

The spelling of 984545489 in words is "nine hundred eighty-four million, five hundred forty-five thousand, four hundred eighty-nine".