289936349 has 8 divisors (see below), whose sum is σ = 292427520. Its totient is φ = 287456256.

The previous prime is 289936331. The next prime is 289936391. The reversal of 289936349 is 943639982.

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 289936349 - 2¹⁶ = 289870813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 289936349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289936249) 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, 54782 + ... + 59840.

It is an arithmetic number, because the mean of its divisors is an integer number (36553440).

Almost surely, 2^289936349 is an apocalyptic number.

It is an amenable number.

289936349 is a deficient number, since it is larger than the sum of its proper divisors (2491171).

289936349 is a wasteful number, since it uses less digits than its factorization.

289936349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539.

The product of its digits is 2519424, while the sum is 53.

The square root of 289936349 is about 17027.5174056584. The cubic root of 289936349 is about 661.8621645106.

The spelling of 289936349 in words is "two hundred eighty-nine million, nine hundred thirty-six thousand, three hundred forty-nine".