489112812 has 36 divisors (see below), whose sum is σ = 1237364856. Its totient is φ = 162906240.

The previous prime is 489112781. The next prime is 489112829. The reversal of 489112812 is 218211984.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×489112812³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46612 + ... + 56132.

It is an arithmetic number, because the mean of its divisors is an integer number (34371246).

Almost surely, 2^489112812 is an apocalyptic number.

It is an amenable number.

489112812 is an abundant number, since it is smaller than the sum of its proper divisors (748252044).

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

489112812 is a wasteful number, since it uses less digits than its factorization.

489112812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10958 (or 10953 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 489112812 is about 22115.8950078897. The cubic root of 489112812 is about 787.8974223798.

The spelling of 489112812 in words is "four hundred eighty-nine million, one hundred twelve thousand, eight hundred twelve".