494221 has 8 divisors (see below), whose sum is σ = 608384. Its totient is φ = 390960.

The previous prime is 494213. The next prime is 494237. The reversal of 494221 is 122494.

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

It is a cyclic number.

It is not a de Polignac number, because 494221 - 2³ = 494213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 494192 and 494201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494251) 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, 2625 + ... + 2806.

It is an arithmetic number, because the mean of its divisors is an integer number (76048).

2⁴⁹⁴²²¹ is an apocalyptic number.

It is an amenable number.

494221 is a deficient number, since it is larger than the sum of its proper divisors (114163).

494221 is a wasteful number, since it uses less digits than its factorization.

494221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451.

The product of its digits is 576, while the sum is 22.

The square root of 494221 is about 703.0085347988. The cubic root of 494221 is about 79.0630805261.

The spelling of 494221 in words is "four hundred ninety-four thousand, two hundred twenty-one".