597869 has 2 divisors, whose sum is σ = 597870. Its totient is φ = 597868.

The previous prime is 597859. The next prime is 597889. The reversal of 597869 is 968795.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316969 + 280900 = 563^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 597869 - 2⁴ = 597853 is a prime.

It is a super-2 number, since 2×597869² = 714894682322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (597859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298934 + 298935.

It is an arithmetic number, because the mean of its divisors is an integer number (298935).

597869 is a Friedman number, since it can be written as (9^7-9)/8-6+5, using all its digits and the basic arithmetic operations.

2⁵⁹⁷⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

597869 is a deficient number, since it is larger than the sum of its proper divisors (1).

597869 is an equidigital number, since it uses as much as digits as its factorization.

597869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 44.

The square root of 597869 is about 773.2198911047. The cubic root of 597869 is about 84.2432950253.

It can be divided in two parts, 59786 and 9, that added together give a palindrome (59795).

The spelling of 597869 in words is "five hundred ninety-seven thousand, eight hundred sixty-nine".