490344289 has 8 divisors (see below), whose sum is σ = 493240608. Its totient is φ = 487454880.

The previous prime is 490344259. The next prime is 490344293. The reversal of 490344289 is 982443094.

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

It is a cyclic number.

It is not a de Polignac number, because 490344289 - 2⁷ = 490344161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490344259) 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, 213829 + ... + 216109.

It is an arithmetic number, because the mean of its divisors is an integer number (61655076).

Almost surely, 2^490344289 is an apocalyptic number.

It is an amenable number.

490344289 is a deficient number, since it is larger than the sum of its proper divisors (2896319).

490344289 is a wasteful number, since it uses less digits than its factorization.

490344289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 490344289 is about 22143.7189514318. The cubic root of 490344289 is about 788.5581182038.

The spelling of 490344289 in words is "four hundred ninety million, three hundred forty-four thousand, two hundred eighty-nine".