598840369 has 2 divisors, whose sum is σ = 598840370. Its totient is φ = 598840368.

The previous prime is 598840367. The next prime is 598840379. The reversal of 598840369 is 963048895.

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., 395492769 + 203347600 = 19887^2 + 14260^2 .

It is a cyclic number.

It is not a de Polignac number, because 598840369 - 2¹ = 598840367 is a prime.

It is a super-2 number, since 2×598840369² = 717219575088112322, which contains 22 as substring.

Together with 598840367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (598840367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299420184 + 299420185.

It is an arithmetic number, because the mean of its divisors is an integer number (299420185).

Almost surely, 2^598840369 is an apocalyptic number.

It is an amenable number.

598840369 is a deficient number, since it is larger than the sum of its proper divisors (1).

598840369 is an equidigital number, since it uses as much as digits as its factorization.

598840369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 598840369 is about 24471.2151108195. The cubic root of 598840369 is about 842.8889422716. Note that the first 3 decimals are identical.

The spelling of 598840369 in words is "five hundred ninety-eight million, eight hundred forty thousand, three hundred sixty-nine".