998329 has 2 divisors, whose sum is σ = 998330. Its totient is φ = 998328.

The previous prime is 998311. The next prime is 998353. The reversal of 998329 is 923899.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 921600 + 76729 = 960^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 998329 - 2⁷ = 998201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 998291 and 998300.

It is not a weakly prime, because it can be changed into another prime (998399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499164 + 499165.

It is an arithmetic number, because the mean of its divisors is an integer number (499165).

2⁹⁹⁸³²⁹ is an apocalyptic number.

It is an amenable number.

998329 is a deficient number, since it is larger than the sum of its proper divisors (1).

998329 is an equidigital number, since it uses as much as digits as its factorization.

998329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 40.

The square root of 998329 is about 999.1641506780. The cubic root of 998329 is about 99.9442689463.

The spelling of 998329 in words is "nine hundred ninety-eight thousand, three hundred twenty-nine".