490030489 has 8 divisors (see below), whose sum is σ = 532396872. Its totient is φ = 448331520.

The previous prime is 490030469. The next prime is 490030523. The reversal of 490030489 is 984030094.

It can be written as a sum of positive squares in 4 ways, for example, as 1974025 + 488056464 = 1405^2 + 22092^2 .

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

It is not a de Polignac number, because 490030489 - 2⁹ = 490029977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490030469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165322 + ... + 168259.

It is an arithmetic number, because the mean of its divisors is an integer number (66549609).

Almost surely, 2^490030489 is an apocalyptic number.

It is an amenable number.

490030489 is a deficient number, since it is larger than the sum of its proper divisors (42366383).

490030489 is a wasteful number, since it uses less digits than its factorization.

490030489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333707.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 490030489 is about 22136.6322867775. The cubic root of 490030489 is about 788.3898674817.

The spelling of 490030489 in words is "four hundred ninety million, thirty thousand, four hundred eighty-nine".