598729 has 2 divisors, whose sum is σ = 598730. Its totient is φ = 598728.

The previous prime is 598727. The next prime is 598777. The reversal of 598729 is 927895.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328329 + 270400 = 573^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 598729 - 2¹ = 598727 is a prime.

Together with 598727, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 598691 and 598700.

It is not a weakly prime, because it can be changed into another prime (598721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299364 + 299365.

It is an arithmetic number, because the mean of its divisors is an integer number (299365).

2⁵⁹⁸⁷²⁹ is an apocalyptic number.

It is an amenable number.

598729 is a deficient number, since it is larger than the sum of its proper divisors (1).

598729 is an equidigital number, since it uses as much as digits as its factorization.

598729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 40.

The square root of 598729 is about 773.7758073241. The cubic root of 598729 is about 84.2836687100.

The spelling of 598729 in words is "five hundred ninety-eight thousand, seven hundred twenty-nine".