289448 has 16 divisors (see below), whose sum is σ = 549780. Its totient is φ = 142848.

The previous prime is 289439. The next prime is 289453. The reversal of 289448 is 844982.

289448 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 2 ways, for example, as 289444 + 4 = 538^2 + 2^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

289448 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590 + ... + 962.

2²⁸⁹⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

289448 is a deficient number, since it is larger than the sum of its proper divisors (260332).

289448 is a wasteful number, since it uses less digits than its factorization.

289448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 472 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 289448 is about 538.0037174593. The cubic root of 289448 is about 66.1490357196.

It can be divided in two parts, 289 and 448, that added together give a palindrome (737).

The spelling of 289448 in words is "two hundred eighty-nine thousand, four hundred forty-eight".