289718152 has 16 divisors (see below), whose sum is σ = 554780160. Its totient is φ = 141776784.

The previous prime is 289718119. The next prime is 289718153. The reversal of 289718152 is 251817982.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 289718099 and 289718108.

It is not an unprimeable number, because it can be changed into a prime (289718153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384888 + ... + 385639.

It is an arithmetic number, because the mean of its divisors is an integer number (34673760).

Almost surely, 2^289718152 is an apocalyptic number.

It is an amenable number.

289718152 is a deficient number, since it is larger than the sum of its proper divisors (265062008).

289718152 is a wasteful number, since it uses less digits than its factorization.

289718152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770580 (or 770576 counting only the distinct ones).

The product of its digits is 80640, while the sum is 43.

The square root of 289718152 is about 17021.1090120474. The cubic root of 289718152 is about 661.6960906096.

The spelling of 289718152 in words is "two hundred eighty-nine million, seven hundred eighteen thousand, one hundred fifty-two".