598789 has 2 divisors, whose sum is σ = 598790. Its totient is φ = 598788.

The previous prime is 598783. The next prime is 598799. The reversal of 598789 is 987895.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540225 + 58564 = 735^2 + 242^2 .

It is a cyclic number.

It is not a de Polignac number, because 598789 - 2¹¹ = 596741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (598783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299394 + 299395.

It is an arithmetic number, because the mean of its divisors is an integer number (299395).

2⁵⁹⁸⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

598789 is a deficient number, since it is larger than the sum of its proper divisors (1).

598789 is an equidigital number, since it uses as much as digits as its factorization.

598789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 46.

The square root of 598789 is about 773.8145772729. The cubic root of 598789 is about 84.2864840356.

The spelling of 598789 in words is "five hundred ninety-eight thousand, seven hundred eighty-nine".