489289405 has 8 divisors (see below), whose sum is σ = 640524384. Its totient is φ = 355846800.

The previous prime is 489289391. The next prime is 489289441. The reversal of 489289405 is 504982984.

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

It is not a de Polignac number, because 489289405 - 2⁷ = 489289277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4448031 + ... + 4448140.

It is an arithmetic number, because the mean of its divisors is an integer number (80065548).

Almost surely, 2^489289405 is an apocalyptic number.

It is an amenable number.

489289405 is a deficient number, since it is larger than the sum of its proper divisors (151234979).

489289405 is a wasteful number, since it uses less digits than its factorization.

489289405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8896187.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 489289405 is about 22119.8870928402. The cubic root of 489289405 is about 787.9922337910.

The spelling of 489289405 in words is "four hundred eighty-nine million, two hundred eighty-nine thousand, four hundred five".