489081446 has 24 divisors (see below), whose sum is σ = 857099880. Its totient is φ = 208696992.

The previous prime is 489081427. The next prime is 489081457. The reversal of 489081446 is 644180984.

It is a junction number, because it is equal to n+sod(n) for n = 489081397 and 489081406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12125 + ... + 33543.

It is an arithmetic number, because the mean of its divisors is an integer number (35712495).

Almost surely, 2^489081446 is an apocalyptic number.

489081446 is a deficient number, since it is larger than the sum of its proper divisors (368018434).

489081446 is a wasteful number, since it uses less digits than its factorization.

489081446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21668 (or 21661 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 489081446 is about 22115.1858685384. The cubic root of 489081446 is about 787.8805798313.

The spelling of 489081446 in words is "four hundred eighty-nine million, eighty-one thousand, four hundred forty-six".