494442 has 24 divisors (see below), whose sum is σ = 1154244. Its totient is φ = 152064.

The previous prime is 494441. The next prime is 494443. The reversal of 494442 is 244494.

It is an interprime number because it is at equal distance from previous prime (494441) and next prime (494443).

It can be written as a sum of positive squares in 2 ways, for example, as 349281 + 145161 = 591^2 + 381^2 .

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (494441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 823 + ... + 1290.

2⁴⁹⁴⁴⁴² is an apocalyptic number.

494442 is an abundant number, since it is smaller than the sum of its proper divisors (659802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494442 is a wasteful number, since it uses less digits than its factorization.

494442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134 (or 2131 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 494442 is about 703.1656988221. The cubic root of 494442 is about 79.0748636062.

The spelling of 494442 in words is "four hundred ninety-four thousand, four hundred forty-two".