490189 has 8 divisors (see below), whose sum is σ = 564480. Its totient is φ = 416976.

The previous prime is 490183. The next prime is 490201. The reversal of 490189 is 981094.

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

It is not a de Polignac number, because 490189 - 2⁹ = 489677 is a prime.

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

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 490189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490183) 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, 1527 + ... + 1819.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2⁴⁹⁰¹⁸⁹ is an apocalyptic number.

It is an amenable number.

490189 is a deficient number, since it is larger than the sum of its proper divisors (74291).

490189 is a wasteful number, since it uses less digits than its factorization.

490189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 490189 is about 700.1349869847. The cubic root of 490189 is about 78.8474865590.

The spelling of 490189 in words is "four hundred ninety thousand, one hundred eighty-nine".