489924916 has 54 divisors (see below), whose sum is σ = 952349202. Its totient is φ = 220371840.

The previous prime is 489924901. The next prime is 489924917. The reversal of 489924916 is 619429984.

It can be written as a sum of positive squares in 9 ways, for example, as 292410000 + 197514916 = 17100^2 + 14054^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489924917) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4494670 + ... + 4494778.

Almost surely, 2^489924916 is an apocalyptic number.

It is an amenable number.

489924916 is a deficient number, since it is larger than the sum of its proper divisors (462424286).

489924916 is a wasteful number, since it uses less digits than its factorization.

489924916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 185 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The square root of 489924916 is about 22134.2475815195. The cubic root of 489924916 is about 788.3332460650. Note that the first 3 decimals are identical.

The spelling of 489924916 in words is "four hundred eighty-nine million, nine hundred twenty-four thousand, nine hundred sixteen".