494674221 has 8 divisors (see below), whose sum is σ = 667914880. Its totient is φ = 325608192.

The previous prime is 494674183. The next prime is 494674237. The reversal of 494674221 is 122476494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 494674221 - 2⁷ = 494674093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 494674221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494674321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043380 + ... + 1043853.

It is an arithmetic number, because the mean of its divisors is an integer number (83489360).

Almost surely, 2^494674221 is an apocalyptic number.

It is an amenable number.

494674221 is a deficient number, since it is larger than the sum of its proper divisors (173240659).

494674221 is a wasteful number, since it uses less digits than its factorization.

494674221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087315.

The product of its digits is 96768, while the sum is 39.

The square root of 494674221 is about 22241.2729177086. The cubic root of 494674221 is about 790.8724117522.

The spelling of 494674221 in words is "four hundred ninety-four million, six hundred seventy-four thousand, two hundred twenty-one".