490569 has 8 divisors (see below), whose sum is σ = 692640. Its totient is φ = 307776.

The previous prime is 490559. The next prime is 490571. The reversal of 490569 is 965094.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 490569 - 2⁵ = 490537 is a prime.

It is a super-2 number, since 2×490569² = 481315887522, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (490519) 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 7 ways as a sum of consecutive naturals, for example, 4759 + ... + 4860.

It is an arithmetic number, because the mean of its divisors is an integer number (86580).

2⁴⁹⁰⁵⁶⁹ is an apocalyptic number.

It is an amenable number.

490569 is a deficient number, since it is larger than the sum of its proper divisors (202071).

490569 is a wasteful number, since it uses less digits than its factorization.

490569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9639.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 490569 is about 700.4063106512. The cubic root of 490569 is about 78.8678557812.

The spelling of 490569 in words is "four hundred ninety thousand, five hundred sixty-nine".