494780 has 48 divisors (see below), whose sum is σ = 1227744. Its totient is φ = 165120.

The previous prime is 494761. The next prime is 494783. The reversal of 494780 is 87494.

It is a happy number.

494780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494783) by changing a digit.

494780 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 2774 + ... + 2946.

It is an arithmetic number, because the mean of its divisors is an integer number (25578).

2⁴⁹⁴⁷⁸⁰ 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 494780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613872).

494780 is an abundant number, since it is smaller than the sum of its proper divisors (732964).

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

494780 is a wasteful number, since it uses less digits than its factorization.

494780 is an odious number, because the sum of its binary digits is odd.

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

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 494780 is about 703.4059994057. The cubic root of 494780 is about 79.0928779982.

The spelling of 494780 in words is "four hundred ninety-four thousand, seven hundred eighty".