598805089 has 2 divisors, whose sum is σ = 598805090. Its totient is φ = 598805088.

The previous prime is 598805087. The next prime is 598805167. The reversal of 598805089 is 980508895.

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., 584817489 + 13987600 = 24183^2 + 3740^2 .

It is a cyclic number.

It is not a de Polignac number, because 598805089 - 2¹ = 598805087 is a prime.

It is a super-2 number, since 2×598805089² = 717135069224595842, which contains 22 as substring.

Together with 598805087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (598805087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299402544 + 299402545.

It is an arithmetic number, because the mean of its divisors is an integer number (299402545).

Almost surely, 2^598805089 is an apocalyptic number.

It is an amenable number.

598805089 is a deficient number, since it is larger than the sum of its proper divisors (1).

598805089 is an equidigital number, since it uses as much as digits as its factorization.

598805089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 52.

The square root of 598805089 is about 24470.4942532839. The cubic root of 598805089 is about 842.8723893317.

The spelling of 598805089 in words is "five hundred ninety-eight million, eight hundred five thousand, eighty-nine".