494728 has 32 divisors (see below), whose sum is σ = 1028160. Its totient is φ = 221760.

The previous prime is 494723. The next prime is 494731. The reversal of 494728 is 827494.

It is a happy number.

It is a super-3 number, since 3×494728³ = 363262633338349056, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 494693 and 494702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494723) by changing a digit.

494728 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, 6933 + ... + 7003.

It is an arithmetic number, because the mean of its divisors is an integer number (32130).

2⁴⁹⁴⁷²⁸ 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 494728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514080).

494728 is an abundant number, since it is smaller than the sum of its proper divisors (533432).

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

494728 is a wasteful number, since it uses less digits than its factorization.

494728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 153 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 494728 is about 703.3690354288. The cubic root of 494728 is about 79.0901070874.

The spelling of 494728 in words is "four hundred ninety-four thousand, seven hundred twenty-eight".