490066 has 4 divisors (see below), whose sum is σ = 735102. Its totient is φ = 245032.

The previous prime is 490057. The next prime is 490097. The reversal of 490066 is 660094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660094 = 2 ⋅330047.

It can be written as a sum of positive squares in only one way, i.e., 326041 + 164025 = 571^2 + 405^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 490066.

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 as a sum of consecutive naturals, namely, 122515 + ... + 122518.

2⁴⁹⁰⁰⁶⁶ is an apocalyptic number.

490066 is a deficient number, since it is larger than the sum of its proper divisors (245036).

490066 is a wasteful number, since it uses less digits than its factorization.

490066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245035.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 490066 is about 700.0471412698. The cubic root of 490066 is about 78.8408911083.

The spelling of 490066 in words is "four hundred ninety thousand, sixty-six".