490793289 has 16 divisors (see below), whose sum is σ = 749414400. Its totient is φ = 279876240.

The previous prime is 490793287. The next prime is 490793299. The reversal of 490793289 is 982397094.

It is not a de Polignac number, because 490793289 - 2¹ = 490793287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490793287) 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 15 ways as a sum of consecutive naturals, for example, 13489 + ... + 34110.

It is an arithmetic number, because the mean of its divisors is an integer number (46838400).

Almost surely, 2^490793289 is an apocalyptic number.

It is an amenable number.

490793289 is a deficient number, since it is larger than the sum of its proper divisors (258621111).

490793289 is a wasteful number, since it uses less digits than its factorization.

490793289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48100.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 490793289 is about 22153.8549467130. The cubic root of 490793289 is about 788.7987345681.

The spelling of 490793289 in words is "four hundred ninety million, seven hundred ninety-three thousand, two hundred eighty-nine".