490099 has 4 divisors (see below), whose sum is σ = 492264. Its totient is φ = 487936.

The previous prime is 490097. The next prime is 490103. The reversal of 490099 is 990094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 490099 - 2¹ = 490097 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

490099 is a modest number, since divided by 99 gives 49 as remainder.

490099 is a lucky number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 490099.

It is not an unprimeable number, because it can be changed into a prime (490097) 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 3 ways as a sum of consecutive naturals, for example, 697 + ... + 1210.

It is an arithmetic number, because the mean of its divisors is an integer number (123066).

2⁴⁹⁰⁰⁹⁹ is an apocalyptic number.

490099 is a deficient number, since it is larger than the sum of its proper divisors (2165).

490099 is a wasteful number, since it uses less digits than its factorization.

490099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 490099 is about 700.0707107143. The cubic root of 490099 is about 78.8426607278.

The spelling of 490099 in words is "four hundred ninety thousand, ninety-nine".