989298329 has 2 divisors, whose sum is σ = 989298330. Its totient is φ = 989298328.

The previous prime is 989298301. The next prime is 989298337. The reversal of 989298329 is 923892989.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 508592704 + 480705625 = 22552^2 + 21925^2 .

It is an emirp because it is prime and its reverse (923892989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 989298329 - 2⁸ = 989298073 is a prime.

It is a super-2 number, since 2×989298329² = 1957422367524384482, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (989298029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494649164 + 494649165.

It is an arithmetic number, because the mean of its divisors is an integer number (494649165).

Almost surely, 2^989298329 is an apocalyptic number.

It is an amenable number.

989298329 is a deficient number, since it is larger than the sum of its proper divisors (1).

989298329 is an equidigital number, since it uses as much as digits as its factorization.

989298329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 59.

The square root of 989298329 is about 31453.1131845482. The cubic root of 989298329 is about 996.4199750492.

The spelling of 989298329 in words is "nine hundred eighty-nine million, two hundred ninety-eight thousand, three hundred twenty-nine".