289385476 has 12 divisors (see below), whose sum is σ = 512526672. Its totient is φ = 142949288.

The previous prime is 289385431. The next prime is 289385477. The reversal of 289385476 is 674583982.

It is not an unprimeable number, because it can be changed into a prime (289385477) 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, 435490 + ... + 436153.

It is an arithmetic number, because the mean of its divisors is an integer number (42710556).

Almost surely, 2^289385476 is an apocalyptic number.

It is an amenable number.

289385476 is a deficient number, since it is larger than the sum of its proper divisors (223141196).

289385476 is a wasteful number, since it uses less digits than its factorization.

289385476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871730 (or 871728 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 289385476 is about 17011.3337513553. Note that the first 3 decimals coincide. The cubic root of 289385476 is about 661.4427239983.

The spelling of 289385476 in words is "two hundred eighty-nine million, three hundred eighty-five thousand, four hundred seventy-six".