489621224 has 8 divisors (see below), whose sum is σ = 918039810. Its totient is φ = 244810608.

The previous prime is 489621191. The next prime is 489621229. The reversal of 489621224 is 422126984.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 279892900 + 209728324 = 16730^2 + 14482^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (489621229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30601319 + ... + 30601334.

Almost surely, 2^489621224 is an apocalyptic number.

It is an amenable number.

489621224 is a deficient number, since it is larger than the sum of its proper divisors (428418586).

489621224 is a wasteful number, since it uses less digits than its factorization.

489621224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61202659 (or 61202655 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 489621224 is about 22127.3862893926. The cubic root of 489621224 is about 788.1703231507.

The spelling of 489621224 in words is "four hundred eighty-nine million, six hundred twenty-one thousand, two hundred twenty-four".