289289330 has 16 divisors (see below), whose sum is σ = 568059264. Its totient is φ = 105196080.

The previous prime is 289289327. The next prime is 289289333. The reversal of 289289330 is 33982982.

It is an interprime number because it is at equal distance from previous prime (289289327) and next prime (289289333).

It is not an unprimeable number, because it can be changed into a prime (289289333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314842 + ... + 1315061.

It is an arithmetic number, because the mean of its divisors is an integer number (35503704).

Almost surely, 2^289289330 is an apocalyptic number.

289289330 is a deficient number, since it is larger than the sum of its proper divisors (278769934).

289289330 is a wasteful number, since it uses less digits than its factorization.

289289330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629921.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 289289330 is about 17008.5075770921. The cubic root of 289289330 is about 661.3694628735.

The spelling of 289289330 in words is "two hundred eighty-nine million, two hundred eighty-nine thousand, three hundred thirty".