289271764 has 12 divisors (see below), whose sum is σ = 506417184. Its totient is φ = 144581144.

The previous prime is 289271761. The next prime is 289271803. The reversal of 289271764 is 467172982.

289271764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289271761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352 + ... + 24055.

It is an arithmetic number, because the mean of its divisors is an integer number (42201432).

Almost surely, 2^289271764 is an apocalyptic number.

It is an amenable number.

289271764 is a deficient number, since it is larger than the sum of its proper divisors (217145420).

289271764 is a wasteful number, since it uses less digits than its factorization.

289271764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27374 (or 27372 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 289271764 is about 17007.9911806186. The cubic root of 289271764 is about 661.3560762165.

The spelling of 289271764 in words is "two hundred eighty-nine million, two hundred seventy-one thousand, seven hundred sixty-four".