83528589 has 8 divisors (see below), whose sum is σ = 112940352. Its totient is φ = 54901280.

The previous prime is 83528569. The next prime is 83528593. The reversal of 83528589 is 98582538.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83528589 - 2⁹ = 83528077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83528569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195864 + ... + 196289.

It is an arithmetic number, because the mean of its divisors is an integer number (14117544).

Almost surely, 2^83528589 is an apocalyptic number.

It is an amenable number.

83528589 is a deficient number, since it is larger than the sum of its proper divisors (29411763).

83528589 is a wasteful number, since it uses less digits than its factorization.

83528589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392227.

The product of its digits is 691200, while the sum is 48.

The square root of 83528589 is about 9139.3976278527. The cubic root of 83528589 is about 437.1311093460.

The spelling of 83528589 in words is "eighty-three million, five hundred twenty-eight thousand, five hundred eighty-nine".