489738555 has 28 divisors (see below), whose sum is σ = 881132880. Its totient is φ = 261191952.

The previous prime is 489738541. The next prime is 489738581. The reversal of 489738555 is 555837984.

489738555 is a `hidden beast` number, since 4 + 89 + 7 + 3 + 8 + 555 = 666.

It is not a de Polignac number, because 489738555 - 2⁴ = 489738539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 63535 + ... + 70824.

Almost surely, 2^489738555 is an apocalyptic number.

489738555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

489738555 is a deficient number, since it is larger than the sum of its proper divisors (391394325).

489738555 is an equidigital number, since it uses as much as digits as its factorization.

489738555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134382 (or 134367 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The square root of 489738555 is about 22130.0373926480. The cubic root of 489738555 is about 788.2332761858.

The spelling of 489738555 in words is "four hundred eighty-nine million, seven hundred thirty-eight thousand, five hundred fifty-five".