494971 has 4 divisors (see below), whose sum is σ = 496672. Its totient is φ = 493272.

The previous prime is 494959. The next prime is 494987. The reversal of 494971 is 179494.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 494971 - 2⁵ = 494939 is a prime.

It is a Duffinian number.

494971 is a lucky number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (494471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291 + ... + 1036.

It is an arithmetic number, because the mean of its divisors is an integer number (124168).

2⁴⁹⁴⁹⁷¹ is an apocalyptic number.

494971 is a deficient number, since it is larger than the sum of its proper divisors (1701).

494971 is a wasteful number, since it uses less digits than its factorization.

494971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700.

The product of its digits is 9072, while the sum is 34.

The square root of 494971 is about 703.5417542691. The cubic root of 494971 is about 79.1030541009.

The spelling of 494971 in words is "four hundred ninety-four thousand, nine hundred seventy-one".