490065 has 16 divisors (see below), whose sum is σ = 806208. Its totient is φ = 254016.

The previous prime is 490057. The next prime is 490097. The reversal of 490065 is 560094.

It is not a de Polignac number, because 490065 - 2³ = 490057 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 114 + ... + 996.

It is an arithmetic number, because the mean of its divisors is an integer number (50388).

2⁴⁹⁰⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

490065 is a deficient number, since it is larger than the sum of its proper divisors (316143).

490065 is a wasteful number, since it uses less digits than its factorization.

490065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 490065 is about 700.0464270318. The cubic root of 490065 is about 78.8408374823.

The spelling of 490065 in words is "four hundred ninety thousand, sixty-five".