489924477 has 16 divisors (see below), whose sum is σ = 829502080. Its totient is φ = 279956736.

The previous prime is 489924473. The next prime is 489924503. The reversal of 489924477 is 774429984.

It is a happy number.

489924477 is a `hidden beast` number, since 4 + 89 + 92 + 4 + 477 = 666.

It is not a de Polignac number, because 489924477 - 2² = 489924473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489924473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295908 + ... + 1296285.

It is an arithmetic number, because the mean of its divisors is an integer number (51843880).

Almost surely, 2^489924477 is an apocalyptic number.

It is an amenable number.

489924477 is a deficient number, since it is larger than the sum of its proper divisors (339577603).

489924477 is a wasteful number, since it uses less digits than its factorization.

489924477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592209 (or 2592203 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 489924477 is about 22134.2376647582. The cubic root of 489924477 is about 788.3330106015. Note that the first 3 decimals are identical.

The spelling of 489924477 in words is "four hundred eighty-nine million, nine hundred twenty-four thousand, four hundred seventy-seven".