494484169 has 9 divisors (see below), whose sum is σ = 509056821. Its totient is φ = 480319200.

The previous prime is 494484167. The next prime is 494484173. The reversal of 494484169 is 961484494.

The square root of 494484169 is 22237.

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

It can be written as a sum of positive squares in 4 ways, for example, as 269124025 + 225360144 = 16405^2 + 15012^2 .

It is not a de Polignac number, because 494484169 - 2¹ = 494484167 is a prime.

It is a super-2 number, since 2×494484169² = 489029186783241122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494484163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 822469 + ... + 823069.

It is an arithmetic number, because the mean of its divisors is an integer number (56561869).

Almost surely, 2^494484169 is an apocalyptic number.

494484169 is the 22237-th square number.

494484169 is the 11119-th centered octagonal number.

It is an amenable number.

494484169 is a deficient number, since it is larger than the sum of its proper divisors (14572652).

494484169 is an frugal number, since it uses more digits than its factorization.

494484169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 638 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The cubic root of 494484169 is about 790.7711153633.

Multiplying 494484169 by its sum of digits (49), we get a square (24229724281 = 155659²).

The spelling of 494484169 in words is "four hundred ninety-four million, four hundred eighty-four thousand, one hundred sixty-nine".