490555 has 8 divisors (see below), whose sum is σ = 634032. Its totient is φ = 362208.

The previous prime is 490549. The next prime is 490559. The reversal of 490555 is 555094.

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

It is a cyclic number.

It is not a de Polignac number, because 490555 - 2¹⁷ = 359483 is a prime.

It is a Duffinian number.

490555 is a modest number, since divided by 555 gives 490 as remainder.

It is not an unprimeable number, because it can be changed into a prime (490559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3709 + ... + 3838.

It is an arithmetic number, because the mean of its divisors is an integer number (79254).

2⁴⁹⁰⁵⁵⁵ is an apocalyptic number.

490555 is a deficient number, since it is larger than the sum of its proper divisors (143477).

490555 is a wasteful number, since it uses less digits than its factorization.

490555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7565.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 490555 is about 700.3963163809. The cubic root of 490555 is about 78.8671055228.

The spelling of 490555 in words is "four hundred ninety thousand, five hundred fifty-five".