289540741 has 8 divisors (see below), whose sum is σ = 332473664. Its totient is φ = 247000320.

The previous prime is 289540739. The next prime is 289540751. The reversal of 289540741 is 147045982.

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

It is not a de Polignac number, because 289540741 - 2¹ = 289540739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289540694 and 289540703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289540751) 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, 96540 + ... + 99493.

It is an arithmetic number, because the mean of its divisors is an integer number (41559208).

Almost surely, 2^289540741 is an apocalyptic number.

It is an amenable number.

289540741 is a deficient number, since it is larger than the sum of its proper divisors (42932923).

289540741 is a wasteful number, since it uses less digits than its factorization.

289540741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196251.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 289540741 is about 17015.8967145431. The cubic root of 289540741 is about 661.5609982397.

The spelling of 289540741 in words is "two hundred eighty-nine million, five hundred forty thousand, seven hundred forty-one".