289346248 has 8 divisors (see below), whose sum is σ = 542524230. Its totient is φ = 144673120.

The previous prime is 289346237. The next prime is 289346249. The reversal of 289346248 is 842643982.

289346248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 240932484 + 48413764 = 15522^2 + 6958^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 289346198 and 289346207.

It is not an unprimeable number, because it can be changed into a prime (289346249) 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 as a sum of consecutive naturals, namely, 18084133 + ... + 18084148.

Almost surely, 2^289346248 is an apocalyptic number.

It is an amenable number.

289346248 is a deficient number, since it is larger than the sum of its proper divisors (253177982).

289346248 is a wasteful number, since it uses less digits than its factorization.

289346248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36168287 (or 36168283 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 289346248 is about 17010.1807162652. The cubic root of 289346248 is about 661.4128350902.

It can be divided in two parts, 2893 and 46248, that added together give a triangular number (49141 = T₃₁₃).

The spelling of 289346248 in words is "two hundred eighty-nine million, three hundred forty-six thousand, two hundred forty-eight".