494217361 has 27 divisors (see below), whose sum is σ = 568242633. Its totient is φ = 429502920.

The previous prime is 494217359. The next prime is 494217371. The reversal of 494217361 is 163712494.

The square root of 494217361 is 22231.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 494217361 - 2¹ = 494217359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 494217361.

It is not an unprimeable number, because it can be changed into a prime (494217301) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10515240 + ... + 10515286.

Almost surely, 2^494217361 is an apocalyptic number.

494217361 is the 22231-st square number.

494217361 is the 11116-th centered octagonal number.

It is an amenable number.

494217361 is a deficient number, since it is larger than the sum of its proper divisors (74025272).

494217361 is an equidigital number, since it uses as much as digits as its factorization.

494217361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 101 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The cubic root of 494217361 is about 790.6288647574.

The spelling of 494217361 in words is "four hundred ninety-four million, two hundred seventeen thousand, three hundred sixty-one".