493988 has 24 divisors (see below), whose sum is σ = 960960. Its totient is φ = 220320.

The previous prime is 493979. The next prime is 493993. The reversal of 493988 is 889394.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 493988.

It is an unprimeable number.

493988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4478 + ... + 4586.

It is an arithmetic number, because the mean of its divisors is an integer number (40040).

2⁴⁹³⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

493988 is a deficient number, since it is larger than the sum of its proper divisors (466972).

493988 is a wasteful number, since it uses less digits than its factorization.

493988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 225 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 493988 is about 702.8427989245. The cubic root of 493988 is about 79.0506538361.

The spelling of 493988 in words is "four hundred ninety-three thousand, nine hundred eighty-eight".