289112902 has 8 divisors (see below), whose sum is σ = 467028576. Its totient is φ = 133436712.

The previous prime is 289112899. The next prime is 289112917. The reversal of 289112902 is 209211982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 5559838 + ... + 5559889.

It is an arithmetic number, because the mean of its divisors is an integer number (58378572).

Almost surely, 2^289112902 is an apocalyptic number.

289112902 is a deficient number, since it is larger than the sum of its proper divisors (177915674).

289112902 is a wasteful number, since it uses less digits than its factorization.

289112902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11119742.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 289112902 is about 17003.3203228075. The cubic root of 289112902 is about 661.2349864075.

It can be divided in two parts, 28911 and 2902, that added together give a palindrome (31813).

The spelling of 289112902 in words is "two hundred eighty-nine million, one hundred twelve thousand, nine hundred two".