489387156 has 12 divisors (see below), whose sum is σ = 1141903392. Its totient is φ = 163129048.

The previous prime is 489387137. The next prime is 489387163. The reversal of 489387156 is 651783984.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 489387099 and 489387108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20391120 + ... + 20391143.

It is an arithmetic number, because the mean of its divisors is an integer number (95158616).

Almost surely, 2^489387156 is an apocalyptic number.

It is an amenable number.

489387156 is an abundant number, since it is smaller than the sum of its proper divisors (652516236).

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

489387156 is a wasteful number, since it uses less digits than its factorization.

489387156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40782270 (or 40782268 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 489387156 is about 22122.0965552544. The cubic root of 489387156 is about 788.0447057358.

The spelling of 489387156 in words is "four hundred eighty-nine million, three hundred eighty-seven thousand, one hundred fifty-six".