289130733 has 24 divisors (see below), whose sum is σ = 440824800. Its totient is φ = 182106144.

The previous prime is 289130731. The next prime is 289130761. The reversal of 289130733 is 337031982.

It is a happy number.

It is not a de Polignac number, because 289130733 - 2¹ = 289130731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289130731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65758 + ... + 70016.

It is an arithmetic number, because the mean of its divisors is an integer number (18367700).

Almost surely, 2^289130733 is an apocalyptic number.

It is an amenable number.

289130733 is a deficient number, since it is larger than the sum of its proper divisors (151694067).

289130733 is a wasteful number, since it uses less digits than its factorization.

289130733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681 (or 4678 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 289130733 is about 17003.8446534894. The cubic root of 289130733 is about 661.2485799882.

The spelling of 289130733 in words is "two hundred eighty-nine million, one hundred thirty thousand, seven hundred thirty-three".