489644950 has 12 divisors (see below), whose sum is σ = 910739700. Its totient is φ = 195857960.

The previous prime is 489644941. The next prime is 489644951. The reversal of 489644950 is 59446984.

It is a junction number, because it is equal to n+sod(n) for n = 489644894 and 489644903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489644951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4896400 + ... + 4896499.

It is an arithmetic number, because the mean of its divisors is an integer number (75894975).

Almost surely, 2^489644950 is an apocalyptic number.

489644950 is a deficient number, since it is larger than the sum of its proper divisors (421094750).

489644950 is a wasteful number, since it uses less digits than its factorization.

489644950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9792911 (or 9792906 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 489644950 is about 22127.9224058654. The cubic root of 489644950 is about 788.1830539626.

The spelling of 489644950 in words is "four hundred eighty-nine million, six hundred forty-four thousand, nine hundred fifty".