289868027 has 8 divisors (see below), whose sum is σ = 299706000. Its totient is φ = 280135584.

The previous prime is 289868017. The next prime is 289868053. The reversal of 289868027 is 720868982.

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

It is not a de Polignac number, because 289868027 - 2¹⁰ = 289867003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289868017) 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, 20777 + ... + 31802.

It is an arithmetic number, because the mean of its divisors is an integer number (37463250).

Almost surely, 2^289868027 is an apocalyptic number.

289868027 is a deficient number, since it is larger than the sum of its proper divisors (9837973).

289868027 is a wasteful number, since it uses less digits than its factorization.

289868027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52765.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 289868027 is about 17025.5110642823. The cubic root of 289868027 is about 661.8101722953.

The spelling of 289868027 in words is "two hundred eighty-nine million, eight hundred sixty-eight thousand, twenty-seven".