289013076 has 96 divisors (see below), whose sum is σ = 829839360. Its totient is φ = 86248800.

The previous prime is 289013071. The next prime is 289013083. The reversal of 289013076 is 670310982.

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

It is a self number, because there is not a number n which added to its sum of digits gives 289013076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289013071) 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, 77781 + ... + 81411.

It is an arithmetic number, because the mean of its divisors is an integer number (8644160).

Almost surely, 2^289013076 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 289013076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414919680).

289013076 is an abundant number, since it is smaller than the sum of its proper divisors (540826284).

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

289013076 is a wasteful number, since it uses less digits than its factorization.

289013076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722 (or 3714 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 289013076 is about 17000.3845838852. The cubic root of 289013076 is about 661.1588730715.

The spelling of 289013076 in words is "two hundred eighty-nine million, thirteen thousand, seventy-six".