289081532 has 12 divisors (see below), whose sum is σ = 535651200. Its totient is φ = 136038336.

The previous prime is 289081531. The next prime is 289081547. The reversal of 289081532 is 235180982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289081531) 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, 2125532 + ... + 2125667.

It is an arithmetic number, because the mean of its divisors is an integer number (44637600).

Almost surely, 2^289081532 is an apocalyptic number.

It is an amenable number.

289081532 is a deficient number, since it is larger than the sum of its proper divisors (246569668).

289081532 is a wasteful number, since it uses less digits than its factorization.

289081532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251220 (or 4251218 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 289081532 is about 17002.3978308943. The cubic root of 289081532 is about 661.2110699241.

The spelling of 289081532 in words is "two hundred eighty-nine million, eighty-one thousand, five hundred thirty-two".