598643 has 2 divisors, whose sum is σ = 598644. Its totient is φ = 598642.

The previous prime is 598613. The next prime is 598649. The reversal of 598643 is 346895.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 598643 - 2⁸ = 598387 is a prime.

It is not a weakly prime, because it can be changed into another prime (598649) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299321 + 299322.

It is an arithmetic number, because the mean of its divisors is an integer number (299322).

2⁵⁹⁸⁶⁴³ is an apocalyptic number.

598643 is a deficient number, since it is larger than the sum of its proper divisors (1).

598643 is an equidigital number, since it uses as much as digits as its factorization.

598643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 598643 is about 773.7202336762. The cubic root of 598643 is about 84.2796330820.

The spelling of 598643 in words is "five hundred ninety-eight thousand, six hundred forty-three".