490105 has 32 divisors (see below), whose sum is σ = 783360. Its totient is φ = 285120.

The previous prime is 490103. The next prime is 490111. The reversal of 490105 is 501094.

It is not a de Polignac number, because 490105 - 2¹ = 490103 is a prime.

It is a super-2 number, since 2×490105² = 480405822050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

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

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490103) 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 31 ways as a sum of consecutive naturals, for example, 7282 + ... + 7348.

It is an arithmetic number, because the mean of its divisors is an integer number (24480).

2⁴⁹⁰¹⁰⁵ is an apocalyptic number.

It is an amenable number.

490105 is a deficient number, since it is larger than the sum of its proper divisors (293255).

490105 is a wasteful number, since it uses less digits than its factorization.

490105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 490105 is about 700.0749959826. The cubic root of 490105 is about 78.8429824683.

Adding to 490105 its reverse (501094), we get a palindrome (991199).

It can be divided in two parts, 490 and 105, that added together give a palindrome (595).

The spelling of 490105 in words is "four hundred ninety thousand, one hundred five".