289227856 has 10 divisors (see below), whose sum is σ = 560379002. Its totient is φ = 144613920.

The previous prime is 289227791. The next prime is 289227857. The reversal of 289227856 is 658722982.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 264387600 + 24840256 = 16260^2 + 4984^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289227857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9038355 + ... + 9038386.

Almost surely, 2^289227856 is an apocalyptic number.

It is an amenable number.

289227856 is a deficient number, since it is larger than the sum of its proper divisors (271151146).

289227856 is a wasteful number, since it uses less digits than its factorization.

289227856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18076749 (or 18076743 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 289227856 is about 17006.7003266360. The cubic root of 289227856 is about 661.3226125379.

The spelling of 289227856 in words is "two hundred eighty-nine million, two hundred twenty-seven thousand, eight hundred fifty-six".