1028329 has 2 divisors, whose sum is σ = 1028330. Its totient is φ = 1028328.

The previous prime is 1028327. The next prime is 1028333. The reversal of 1028329 is 9238201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 851929 + 176400 = 923^2 + 420^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028329 - 2¹ = 1028327 is a prime.

Together with 1028327, it forms a pair of twin primes.

1028329 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1028327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514164 + 514165.

It is an arithmetic number, because the mean of its divisors is an integer number (514165).

2^1028329 is an apocalyptic number.

It is an amenable number.

1028329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028329 is an equidigital number, since it uses as much as digits as its factorization.

1028329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1028329 is about 1014.0655797334. The cubic root of 1028329 is about 100.9355207176.

The spelling of 1028329 in words is "one million, twenty-eight thousand, three hundred twenty-nine".