289364121 has 24 divisors (see below), whose sum is σ = 425842560. Its totient is φ = 189302400.

The previous prime is 289364083. The next prime is 289364147. The reversal of 289364121 is 121463982.

289364121 is a `hidden beast` number, since 2 + 8 + 9 + 3 + 641 + 2 + 1 = 666.

It is not a de Polignac number, because 289364121 - 2¹⁰ = 289363097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (289360121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153060 + ... + 154938.

It is an arithmetic number, because the mean of its divisors is an integer number (17743440).

Almost surely, 2^289364121 is an apocalyptic number.

It is an amenable number.

289364121 is a deficient number, since it is larger than the sum of its proper divisors (136478439).

289364121 is a wasteful number, since it uses less digits than its factorization.

289364121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197 (or 2194 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 289364121 is about 17010.7060700019. The cubic root of 289364121 is about 661.4264533628.

The spelling of 289364121 in words is "two hundred eighty-nine million, three hundred sixty-four thousand, one hundred twenty-one".