494538 has 32 divisors (see below), whose sum is σ = 1105920. Its totient is φ = 146160.

The previous prime is 494521. The next prime is 494539. The reversal of 494538 is 835494.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 494499 and 494508.

It is not an unprimeable number, because it can be changed into a prime (494539) 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 15 ways as a sum of consecutive naturals, for example, 3831 + ... + 3957.

It is an arithmetic number, because the mean of its divisors is an integer number (34560).

2⁴⁹⁴⁵³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552960).

494538 is an abundant number, since it is smaller than the sum of its proper divisors (611382).

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

494538 is a wasteful number, since it uses less digits than its factorization.

494538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202.

The product of its digits is 17280, while the sum is 33.

The square root of 494538 is about 703.2339582244. The cubic root of 494538 is about 79.0799809545.

The spelling of 494538 in words is "four hundred ninety-four thousand, five hundred thirty-eight".