489630446 has 16 divisors (see below), whose sum is σ = 761434128. Its totient is φ = 235963200.

The previous prime is 489630433. The next prime is 489630499. The reversal of 489630446 is 644036984.

It is a junction number, because it is equal to n+sod(n) for n = 489630397 and 489630406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29165 + ... + 42776.

It is an arithmetic number, because the mean of its divisors is an integer number (47589633).

Almost surely, 2^489630446 is an apocalyptic number.

489630446 is a deficient number, since it is larger than the sum of its proper divisors (271803682).

489630446 is a wasteful number, since it uses less digits than its factorization.

489630446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72067.

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 489630446 is about 22127.5946727158. The cubic root of 489630446 is about 788.1752715072.

The spelling of 489630446 in words is "four hundred eighty-nine million, six hundred thirty thousand, four hundred forty-six".