598663 has 4 divisors (see below), whose sum is σ = 644728. Its totient is φ = 552600.

The previous prime is 598657. The next prime is 598669. The reversal of 598663 is 366895.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366895 = 5 ⋅73379.

It is an interprime number because it is at equal distance from previous prime (598657) and next prime (598669).

It is a cyclic number.

It is not a de Polignac number, because 598663 - 2⁹ = 598151 is a prime.

It is a Duffinian number.

598663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23013 + ... + 23038.

It is an arithmetic number, because the mean of its divisors is an integer number (161182).

2⁵⁹⁸⁶⁶³ is an apocalyptic number.

598663 is a deficient number, since it is larger than the sum of its proper divisors (46065).

598663 is a wasteful number, since it uses less digits than its factorization.

598663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46064.

The product of its digits is 38880, while the sum is 37.

The square root of 598663 is about 773.7331581366. The cubic root of 598663 is about 84.2805716346.

The spelling of 598663 in words is "five hundred ninety-eight thousand, six hundred sixty-three".