494988 has 48 divisors (see below), whose sum is σ = 1317120. Its totient is φ = 143424.

The previous prime is 494987. The next prime is 495017. The reversal of 494988 is 889494.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494988.

It is not an unprimeable number, because it can be changed into a prime (494987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2881 + ... + 3047.

It is an arithmetic number, because the mean of its divisors is an integer number (27440).

2⁴⁹⁴⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658560).

494988 is an abundant number, since it is smaller than the sum of its proper divisors (822132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494988 is a wasteful number, since it uses less digits than its factorization.

494988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 204 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 494988 is about 703.5538358932. The cubic root of 494988 is about 79.1039597004.

The spelling of 494988 in words is "four hundred ninety-four thousand, nine hundred eighty-eight".