289247112 has 480 divisors, whose sum is σ = 1112348160. Its totient is φ = 68428800.

The previous prime is 289247099. The next prime is 289247171. The reversal of 289247112 is 211742982.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 9330537 + ... + 9330567.

It is an arithmetic number, because the mean of its divisors is an integer number (2317392).

Almost surely, 2^289247112 is an apocalyptic number.

289247112 is a gapful number since it is divisible by the number (22) 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 289247112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556174080).

289247112 is an abundant number, since it is smaller than the sum of its proper divisors (823101048).

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

289247112 is a wasteful number, since it uses less digits than its factorization.

289247112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 71 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 289247112 is about 17007.2664470220. The cubic root of 289247112 is about 661.3372885628.

The spelling of 289247112 in words is "two hundred eighty-nine million, two hundred forty-seven thousand, one hundred twelve".