498663 has 32 divisors (see below), whose sum is σ = 852480. Its totient is φ = 285120.

The previous prime is 498653. The next prime is 498679. The reversal of 498663 is 366894.

It is not a de Polignac number, because 498663 - 2⁴ = 498647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6795 + ... + 6867.

It is an arithmetic number, because the mean of its divisors is an integer number (26640).

2⁴⁹⁸⁶⁶³ is an apocalyptic number.

498663 is a deficient number, since it is larger than the sum of its proper divisors (353817).

498663 is a wasteful number, since it uses less digits than its factorization.

498663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 110 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 498663 is about 706.1607465726. The cubic root of 498663 is about 79.2992442735.

Subtracting from 498663 its reverse (366894), we obtain a square (131769 = 363²).

The spelling of 498663 in words is "four hundred ninety-eight thousand, six hundred sixty-three".