489806512 has 40 divisors (see below), whose sum is σ = 1027434240. Its totient is φ = 224862720.

The previous prime is 489806503. The next prime is 489806519. The reversal of 489806512 is 215608984.

It is a happy number.

It is a super-2 number, since 2×489806512² = 479820838395212288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489806519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33564 + ... + 45892.

It is an arithmetic number, because the mean of its divisors is an integer number (25685856).

Almost surely, 2^489806512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489806512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513717120).

489806512 is an abundant number, since it is smaller than the sum of its proper divisors (537627728).

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

489806512 is a wasteful number, since it uses less digits than its factorization.

489806512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12541 (or 12535 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 489806512 is about 22131.5727412220. The cubic root of 489806512 is about 788.2697333871.

The spelling of 489806512 in words is "four hundred eighty-nine million, eight hundred six thousand, five hundred twelve".