491044 has 6 divisors (see below), whose sum is σ = 859334. Its totient is φ = 245520.

The previous prime is 491041. The next prime is 491059. The reversal of 491044 is 440194.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 360000 + 131044 = 600^2 + 362^2 .

It is a super-2 number, since 2×491044² = 482248419872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (491041) 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 as a sum of consecutive naturals, namely, 61377 + ... + 61384.

2⁴⁹¹⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

491044 is a deficient number, since it is larger than the sum of its proper divisors (368290).

491044 is a wasteful number, since it uses less digits than its factorization.

491044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122765 (or 122763 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 491044 is about 700.7453175013. The cubic root of 491044 is about 78.8933025222.

The spelling of 491044 in words is "four hundred ninety-one thousand, forty-four".