989696441 has 2 divisors, whose sum is σ = 989696442. Its totient is φ = 989696440.

The previous prime is 989696423. The next prime is 989696459. The reversal of 989696441 is 144696989.

It is a balanced prime because it is at equal distance from previous prime (989696423) and next prime (989696459).

It can be written as a sum of positive squares in only one way, i.e., 913308841 + 76387600 = 30221^2 + 8740^2 .

It is a cyclic number.

It is not a de Polignac number, because 989696441 - 2¹⁰ = 989695417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (989696341) 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 as a sum of consecutive naturals, namely, 494848220 + 494848221.

It is an arithmetic number, because the mean of its divisors is an integer number (494848221).

Almost surely, 2^989696441 is an apocalyptic number.

It is an amenable number.

989696441 is a deficient number, since it is larger than the sum of its proper divisors (1).

989696441 is an equidigital number, since it uses as much as digits as its factorization.

989696441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 56.

The square root of 989696441 is about 31459.4412060990. The cubic root of 989696441 is about 996.5536164184.

The spelling of 989696441 in words is "nine hundred eighty-nine million, six hundred ninety-six thousand, four hundred forty-one".