494266281 has 8 divisors (see below), whose sum is σ = 659485440. Its totient is φ = 329278992.

The previous prime is 494266273. The next prime is 494266307. The reversal of 494266281 is 182662494.

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

It is not a de Polignac number, because 494266281 - 2³ = 494266273 is a prime.

It is a super-2 number, since 2×494266281² = 488598313067141922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (494266231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52930 + ... + 61563.

It is an arithmetic number, because the mean of its divisors is an integer number (82435680).

Almost surely, 2^494266281 is an apocalyptic number.

It is an amenable number.

494266281 is a deficient number, since it is larger than the sum of its proper divisors (165219159).

494266281 is a wasteful number, since it uses less digits than its factorization.

494266281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115935.

The product of its digits is 165888, while the sum is 42.

The square root of 494266281 is about 22232.1002381691. The cubic root of 494266281 is about 790.6549506399.

The spelling of 494266281 in words is "four hundred ninety-four million, two hundred sixty-six thousand, two hundred eighty-one".