289481012 has 12 divisors (see below), whose sum is σ = 507482976. Its totient is φ = 144485880.

The previous prime is 289481011. The next prime is 289481021. The reversal of 289481012 is 210184982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289481011) 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, 61088 + ... + 65655.

It is an arithmetic number, because the mean of its divisors is an integer number (42290248).

Almost surely, 2^289481012 is an apocalyptic number.

It is an amenable number.

289481012 is a deficient number, since it is larger than the sum of its proper divisors (218001964).

289481012 is a wasteful number, since it uses less digits than its factorization.

289481012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127318 (or 127316 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 289481012 is about 17014.1415299156. The cubic root of 289481012 is about 661.5155042456.

The spelling of 289481012 in words is "two hundred eighty-nine million, four hundred eighty-one thousand, twelve".