491060 has 24 divisors (see below), whose sum is σ = 1057056. Its totient is φ = 191520.

The previous prime is 491059. The next prime is 491081. The reversal of 491060 is 60194.

It is a super-2 number, since 2×491060² = 482279847200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575 + ... + 1145.

It is an arithmetic number, because the mean of its divisors is an integer number (44044).

2⁴⁹¹⁰⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 491060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528528).

491060 is an abundant number, since it is smaller than the sum of its proper divisors (565996).

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

491060 is a wasteful number, since it uses less digits than its factorization.

491060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 491060 is about 700.7567338242. The cubic root of 491060 is about 78.8941593898.

The spelling of 491060 in words is "four hundred ninety-one thousand, sixty".