289528084 has 24 divisors (see below), whose sum is σ = 518934528. Its totient is φ = 141278880.

The previous prime is 289528079. The next prime is 289528087. The reversal of 289528084 is 480825982.

It is a super-2 number, since 2×289528084² = 167653022849422112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289528087) 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 in 7 ways as a sum of consecutive naturals, for example, 69994 + ... + 74014.

It is an arithmetic number, because the mean of its divisors is an integer number (21622272).

Almost surely, 2^289528084 is an apocalyptic number.

It is an amenable number.

289528084 is a deficient number, since it is larger than the sum of its proper divisors (229406444).

289528084 is a wasteful number, since it uses less digits than its factorization.

289528084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455 (or 4453 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 289528084 is about 17015.5247935525. The cubic root of 289528084 is about 661.5513582611.

The spelling of 289528084 in words is "two hundred eighty-nine million, five hundred twenty-eight thousand, eighty-four".