494729 has 4 divisors (see below), whose sum is σ = 510720. Its totient is φ = 478740.

The previous prime is 494723. The next prime is 494731. The reversal of 494729 is 927494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 927494 = 2 ⋅463747.

It is a cyclic number.

It is not a de Polignac number, because 494729 - 2⁴ = 494713 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494729.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7949 + ... + 8010.

It is an arithmetic number, because the mean of its divisors is an integer number (127680).

2⁴⁹⁴⁷²⁹ is an apocalyptic number.

It is an amenable number.

494729 is a deficient number, since it is larger than the sum of its proper divisors (15991).

494729 is a wasteful number, since it uses less digits than its factorization.

494729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15990.

The product of its digits is 18144, while the sum is 35.

The square root of 494729 is about 703.3697462928. The cubic root of 494729 is about 79.0901603760.

The spelling of 494729 in words is "four hundred ninety-four thousand, seven hundred twenty-nine".