289147000 has 64 divisors (see below), whose sum is σ = 680472000. Its totient is φ = 114998400.

The previous prime is 289146983. The next prime is 289147051. The reversal of 289147000 is 741982.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 198274 + ... + 199726.

It is an arithmetic number, because the mean of its divisors is an integer number (10632375).

Almost surely, 2^289147000 is an apocalyptic number.

289147000 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 289147000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340236000).

289147000 is an abundant number, since it is smaller than the sum of its proper divisors (391325000).

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

289147000 is a wasteful number, since it uses less digits than its factorization.

289147000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673 (or 1659 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 289147000 is about 17004.3229797602. The cubic root of 289147000 is about 661.2609807556.

Adding to 289147000 its reverse (741982), we get a palindrome (289888982).

The spelling of 289147000 in words is "two hundred eighty-nine million, one hundred forty-seven thousand".