289717652 has 24 divisors (see below), whose sum is σ = 579796224. Its totient is φ = 124087392.

The previous prime is 289717639. The next prime is 289717657. The reversal of 289717652 is 256717982.

It is a happy number.

289717652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 289717597 and 289717606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289717657) 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, 83333 + ... + 86739.

It is an arithmetic number, because the mean of its divisors is an integer number (24158176).

Almost surely, 2^289717652 is an apocalyptic number.

It is an amenable number.

289717652 is an abundant number, since it is smaller than the sum of its proper divisors (290078572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289717652 is a wasteful number, since it uses less digits than its factorization.

289717652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6455 (or 6453 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 289717652 is about 17021.0943243964. The cubic root of 289717652 is about 661.6957099543.

The spelling of 289717652 in words is "two hundred eighty-nine million, seven hundred seventeen thousand, six hundred fifty-two".