289480235 has 16 divisors (see below), whose sum is σ = 380344032. Its totient is φ = 209760000.

The previous prime is 289480189. The next prime is 289480237. The reversal of 289480235 is 532084982.

It is not a de Polignac number, because 289480235 - 2⁸ = 289479979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289480192 and 289480201.

It is not an unprimeable number, because it can be changed into a prime (289480237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5735 + ... + 24735.

It is an arithmetic number, because the mean of its divisors is an integer number (23771502).

Almost surely, 2^289480235 is an apocalyptic number.

289480235 is a deficient number, since it is larger than the sum of its proper divisors (90863797).

289480235 is a wasteful number, since it uses less digits than its factorization.

289480235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19294.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 289480235 is about 17014.1186959537. The cubic root of 289480235 is about 661.5149123840.

The spelling of 289480235 in words is "two hundred eighty-nine million, four hundred eighty thousand, two hundred thirty-five".