490165 has 8 divisors (see below), whose sum is σ = 633528. Its totient is φ = 361920.

The previous prime is 490159. The next prime is 490169. The reversal of 490165 is 561094.

490165 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 4 ways, for example, as 4356 + 485809 = 66^2 + 697^2 .

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

It is not a de Polignac number, because 490165 - 2⁹ = 489653 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490169) 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, 3706 + ... + 3835.

It is an arithmetic number, because the mean of its divisors is an integer number (79191).

2⁴⁹⁰¹⁶⁵ is an apocalyptic number.

It is an amenable number.

490165 is a deficient number, since it is larger than the sum of its proper divisors (143363).

490165 is a wasteful number, since it uses less digits than its factorization.

490165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7559.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 490165 is about 700.1178472229. The cubic root of 490165 is about 78.8461997285.

The spelling of 490165 in words is "four hundred ninety thousand, one hundred sixty-five".