289300172 has 48 divisors (see below), whose sum is σ = 604887360. Its totient is φ = 118444032.

The previous prime is 289300159. The next prime is 289300177. The reversal of 289300172 is 271003982.

It is not an unprimeable number, because it can be changed into a prime (289300177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76928 + ... + 80600.

It is an arithmetic number, because the mean of its divisors is an integer number (12601820).

Almost surely, 2^289300172 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 289300172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302443680).

289300172 is an abundant number, since it is smaller than the sum of its proper divisors (315587188).

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

289300172 is a wasteful number, since it uses less digits than its factorization.

289300172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810 (or 3808 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 289300172 is about 17008.8262969554. The cubic root of 289300172 is about 661.3777250496.

The spelling of 289300172 in words is "two hundred eighty-nine million, three hundred thousand, one hundred seventy-two".