489727506 has 8 divisors (see below), whose sum is σ = 979455024. Its totient is φ = 163242500.

The previous prime is 489727471. The next prime is 489727507. The reversal of 489727506 is 605727984.

It is a sphenic number, since it is the product of 3 distinct primes.

489727506 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (489727507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40810620 + ... + 40810631.

It is an arithmetic number, because the mean of its divisors is an integer number (122431878).

Almost surely, 2^489727506 is an apocalyptic number.

489727506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489727506 is a wasteful number, since it uses less digits than its factorization.

489727506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81621256.

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 489727506 is about 22129.7877531620. The cubic root of 489727506 is about 788.2273483597.

The spelling of 489727506 in words is "four hundred eighty-nine million, seven hundred twenty-seven thousand, five hundred six".