989829359 has 2 divisors, whose sum is σ = 989829360. Its totient is φ = 989829358.

The previous prime is 989829343. The next prime is 989829409. The reversal of 989829359 is 953928989.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 989829359 - 2⁴ = 989829343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989829329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494914679 + 494914680.

It is an arithmetic number, because the mean of its divisors is an integer number (494914680).

Almost surely, 2^989829359 is an apocalyptic number.

989829359 is a deficient number, since it is larger than the sum of its proper divisors (1).

989829359 is an equidigital number, since it uses as much as digits as its factorization.

989829359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12597120, while the sum is 62.

The square root of 989829359 is about 31461.5536647509. The cubic root of 989829359 is about 996.5982273983.

The spelling of 989829359 in words is "nine hundred eighty-nine million, eight hundred twenty-nine thousand, three hundred fifty-nine".