491024 has 10 divisors (see below), whose sum is σ = 951390. Its totient is φ = 245504.

The previous prime is 491003. The next prime is 491039. The reversal of 491024 is 420194.

It can be written as a sum of positive squares in only one way, i.e., 490000 + 1024 = 700^2 + 32^2 .

It is a super-2 number, since 2×491024² = 482209137152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 490987 and 491005.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 491024.

It is an unprimeable number.

491024 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15329 + ... + 15360.

It is an arithmetic number, because the mean of its divisors is an integer number (95139).

2⁴⁹¹⁰²⁴ is an apocalyptic number.

It is an amenable number.

491024 is a deficient number, since it is larger than the sum of its proper divisors (460366).

491024 is a wasteful number, since it uses less digits than its factorization.

491024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30697 (or 30691 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 491024 is about 700.7310468361. The cubic root of 491024 is about 78.8922314115.

It can be divided in two parts, 49 and 1024, that multiplied together give a square (50176 = 224²).

The spelling of 491024 in words is "four hundred ninety-one thousand, twenty-four".