489648422 has 8 divisors (see below), whose sum is σ = 736865976. Its totient is φ = 244026432.

The previous prime is 489648407. The next prime is 489648427. The reversal of 489648422 is 224846984.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489648427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398123 + ... + 399350.

It is an arithmetic number, because the mean of its divisors is an integer number (92108247).

Almost surely, 2^489648422 is an apocalyptic number.

489648422 is a deficient number, since it is larger than the sum of its proper divisors (247217554).

489648422 is a wasteful number, since it uses less digits than its factorization.

489648422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797782.

The product of its digits is 884736, while the sum is 47.

The square root of 489648422 is about 22128.0008586406. Note that the first 3 decimals coincide. The cubic root of 489648422 is about 788.1849169213.

The spelling of 489648422 in words is "four hundred eighty-nine million, six hundred forty-eight thousand, four hundred twenty-two".