494784 has 42 divisors (see below), whose sum is σ = 1419860. Its totient is φ = 164736.

The previous prime is 494783. The next prime is 494789. The reversal of 494784 is 487494.

It is a super-2 number, since 2×494784² = 489622413312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a zygodrome in base 2.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494784.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147 + ... + 1005.

2⁴⁹⁴⁷⁸⁴ 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 494784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709930).

494784 is an abundant number, since it is smaller than the sum of its proper divisors (925076).

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

494784 is a wasteful number, since it uses less digits than its factorization.

494784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 864 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 494784 is about 703.4088427081. The cubic root of 494784 is about 79.0930911371.

The spelling of 494784 in words is "four hundred ninety-four thousand, seven hundred eighty-four".