289568941 has 4 divisors (see below), whose sum is σ = 292131612. Its totient is φ = 287006272.

The previous prime is 289568879. The next prime is 289568953. The reversal of 289568941 is 149865982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 128913316 + 160655625 = 11354^2 + 12675^2 .

It is a cyclic number.

It is not a de Polignac number, because 289568941 - 2⁷ = 289568813 is a prime.

It is a super-2 number, since 2×289568941² = 167700343183722962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289560941) 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 3 ways as a sum of consecutive naturals, for example, 1281166 + ... + 1281391.

It is an arithmetic number, because the mean of its divisors is an integer number (73032903).

Almost surely, 2^289568941 is an apocalyptic number.

It is an amenable number.

289568941 is a deficient number, since it is larger than the sum of its proper divisors (2562671).

289568941 is a wasteful number, since it uses less digits than its factorization.

289568941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562670.

The product of its digits is 1244160, while the sum is 52.

The square root of 289568941 is about 17016.7253312733. The cubic root of 289568941 is about 661.5824752570.

The spelling of 289568941 in words is "two hundred eighty-nine million, five hundred sixty-eight thousand, nine hundred forty-one".