289227488 has 48 divisors (see below), whose sum is σ = 622702080. Its totient is φ = 131145600.

The previous prime is 289227487. The next prime is 289227493. The reversal of 289227488 is 884722982.

289227488 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289227487) 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, 200273 + ... + 201711.

It is an arithmetic number, because the mean of its divisors is an integer number (12972960).

Almost surely, 2^289227488 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 289227488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311351040).

289227488 is an abundant number, since it is smaller than the sum of its proper divisors (333474592).

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

289227488 is a wasteful number, since it uses less digits than its factorization.

289227488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 2023 counting only the distinct ones).

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

The square root of 289227488 is about 17006.6895073674. The cubic root of 289227488 is about 661.3223320592.

The spelling of 289227488 in words is "two hundred eighty-nine million, two hundred twenty-seven thousand, four hundred eighty-eight".