494187268 has 12 divisors (see below), whose sum is σ = 885921372. Its totient is φ = 241066880.

The previous prime is 494187251. The next prime is 494187301. The reversal of 494187268 is 862781494.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 199996164 + 294191104 = 14142^2 + 17152^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506505 + ... + 1506832.

It is an arithmetic number, because the mean of its divisors is an integer number (73826781).

Almost surely, 2^494187268 is an apocalyptic number.

It is an amenable number.

494187268 is a deficient number, since it is larger than the sum of its proper divisors (391734104).

494187268 is a wasteful number, since it uses less digits than its factorization.

494187268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013382 (or 3013380 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 494187268 is about 22230.3231645426. The cubic root of 494187268 is about 790.6128172452.

The spelling of 494187268 in words is "four hundred ninety-four million, one hundred eighty-seven thousand, two hundred sixty-eight".