598869 has 6 divisors (see below), whose sum is σ = 865046. Its totient is φ = 399240.

The previous prime is 598867. The next prime is 598877. The reversal of 598869 is 968895.

It can be written as a sum of positive squares in only one way, i.e., 580644 + 18225 = 762^2 + 135^2 .

It is not a de Polignac number, because 598869 - 2¹ = 598867 is a prime.

It is a super-2 number, since 2×598869² = 717288158322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

598869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33262 + ... + 33279.

2⁵⁹⁸⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

598869 is a deficient number, since it is larger than the sum of its proper divisors (266177).

598869 is a wasteful number, since it uses less digits than its factorization.

598869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66547 (or 66544 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 598869 is about 773.8662675166. The cubic root of 598869 is about 84.2902375105.

It can be divided in two parts, 59886 and 9, that added together give a palindrome (59895).

The spelling of 598869 in words is "five hundred ninety-eight thousand, eight hundred sixty-nine".