489943448 has 16 divisors (see below), whose sum is σ = 935977680. Its totient is φ = 240349408.

The previous prime is 489943409. The next prime is 489943469. The reversal of 489943448 is 844349984.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 489943448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577340 + ... + 578187.

It is an arithmetic number, because the mean of its divisors is an integer number (58498605).

Almost surely, 2^489943448 is an apocalyptic number.

It is an amenable number.

489943448 is a deficient number, since it is larger than the sum of its proper divisors (446034232).

489943448 is a wasteful number, since it uses less digits than its factorization.

489943448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155586 (or 1155582 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 53.

The square root of 489943448 is about 22134.6662048471. Note that the first 3 decimals coincide. The cubic root of 489943448 is about 788.3431858245.

The spelling of 489943448 in words is "four hundred eighty-nine million, nine hundred forty-three thousand, four hundred forty-eight".