289089060 has 96 divisors (see below), whose sum is σ = 874699392. Its totient is φ = 70917120.

The previous prime is 289089019. The next prime is 289089061. The reversal of 289089060 is 60980982.

It is a super-2 number, since 2×289089060² = 167144969223367200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (289089061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356055 + ... + 356865.

It is an arithmetic number, because the mean of its divisors is an integer number (9111452).

Almost surely, 2^289089060 is an apocalyptic number.

289089060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289089060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437349696).

289089060 is an abundant number, since it is smaller than the sum of its proper divisors (585610332).

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

289089060 is a wasteful number, since it uses less digits than its factorization.

289089060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 289089060 is about 17002.6192099923. The cubic root of 289089060 is about 661.2168094280.

The spelling of 289089060 in words is "two hundred eighty-nine million, eighty-nine thousand, sixty".