494376221 has 16 divisors (see below), whose sum is σ = 517881600. Its totient is φ = 471575808.

The previous prime is 494376217. The next prime is 494376227. The reversal of 494376221 is 122673494.

It is a cyclic number.

It is not a de Polignac number, because 494376221 - 2² = 494376217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494376227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304550 + ... + 306168.

It is an arithmetic number, because the mean of its divisors is an integer number (32367600).

Almost surely, 2^494376221 is an apocalyptic number.

It is an amenable number.

494376221 is a deficient number, since it is larger than the sum of its proper divisors (23505379).

494376221 is a wasteful number, since it uses less digits than its factorization.

494376221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828.

The product of its digits is 72576, while the sum is 38.

The square root of 494376221 is about 22234.5726516162. The cubic root of 494376221 is about 790.7135682748.

The spelling of 494376221 in words is "four hundred ninety-four million, three hundred seventy-six thousand, two hundred twenty-one".