89143528 has 8 divisors (see below), whose sum is σ = 167144130. Its totient is φ = 44571760.

The previous prime is 89143511. The next prime is 89143531. The reversal of 89143528 is 82534198.

It can be written as a sum of positive squares in only one way, i.e., 61496964 + 27646564 = 7842^2 + 5258^2 .

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

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5571463 + ... + 5571478.

Almost surely, 2^89143528 is an apocalyptic number.

It is an amenable number.

89143528 is a deficient number, since it is larger than the sum of its proper divisors (78000602).

89143528 is a wasteful number, since it uses less digits than its factorization.

89143528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11142947 (or 11142943 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 89143528 is about 9441.5850364226. The cubic root of 89143528 is about 446.7143866246.

The spelling of 89143528 in words is "eighty-nine million, one hundred forty-three thousand, five hundred twenty-eight".