498993 has 8 divisors (see below), whose sum is σ = 725856. Its totient is φ = 302400.

The previous prime is 498989. The next prime is 499021. The reversal of 498993 is 399894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 498993 - 2² = 498989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (498923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7528 + ... + 7593.

It is an arithmetic number, because the mean of its divisors is an integer number (90732).

2⁴⁹⁸⁹⁹³ is an apocalyptic number.

It is an amenable number.

498993 is a deficient number, since it is larger than the sum of its proper divisors (226863).

498993 is a wasteful number, since it uses less digits than its factorization.

498993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15135.

The product of its digits is 69984, while the sum is 42.

The square root of 498993 is about 706.3943657759. The cubic root of 498993 is about 79.3167330252.

Subtracting from 498993 its reverse (399894), we obtain a palindrome (99099).

The spelling of 498993 in words is "four hundred ninety-eight thousand, nine hundred ninety-three".