289780484 has 12 divisors (see below), whose sum is σ = 579561024. Its totient is φ = 124191624.

The previous prime is 289780471. The next prime is 289780489. The reversal of 289780484 is 484087982.

289780484 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

289780484 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (289780489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5174624 + ... + 5174679.

It is an arithmetic number, because the mean of its divisors is an integer number (48296752).

Almost surely, 2^289780484 is an apocalyptic number.

It is an amenable number.

289780484 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.

289780484 is a wasteful number, since it uses less digits than its factorization.

289780484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10349314 (or 10349312 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 289780484 is about 17022.9399341007. The cubic root of 289780484 is about 661.7435411897.

The spelling of 289780484 in words is "two hundred eighty-nine million, seven hundred eighty thousand, four hundred eighty-four".