289121601 has 8 divisors (see below), whose sum is σ = 408171744. Its totient is φ = 181409600.

The previous prime is 289121563. The next prime is 289121603. The reversal of 289121601 is 106121982.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 289121601 - 2¹⁴ = 289105217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (289121603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2834475 + ... + 2834576.

It is an arithmetic number, because the mean of its divisors is an integer number (51021468).

Almost surely, 2^289121601 is an apocalyptic number.

It is an amenable number.

289121601 is a deficient number, since it is larger than the sum of its proper divisors (119050143).

289121601 is a wasteful number, since it uses less digits than its factorization.

289121601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669071.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 289121601 is about 17003.5761238629. The cubic root of 289121601 is about 661.2416182175.

The spelling of 289121601 in words is "two hundred eighty-nine million, one hundred twenty-one thousand, six hundred one".