289655296 has 40 divisors (see below), whose sum is σ = 661430880. Its totient is φ = 124136448.

The previous prime is 289655291. The next prime is 289655339. The reversal of 289655296 is 692556982.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289655291) 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, 36826 + ... + 43993.

It is an arithmetic number, because the mean of its divisors is an integer number (16535772).

Almost surely, 2^289655296 is an apocalyptic number.

It is an amenable number.

289655296 is an abundant number, since it is smaller than the sum of its proper divisors (371775584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289655296 is an frugal number, since it uses more digits than its factorization.

289655296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80844 (or 80828 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 52.

The square root of 289655296 is about 17019.2624987101. The cubic root of 289655296 is about 661.6482342390.

The spelling of 289655296 in words is "two hundred eighty-nine million, six hundred fifty-five thousand, two hundred ninety-six".