82198589 has 8 divisors (see below), whose sum is σ = 89737632. Its totient is φ = 74670640.

The previous prime is 82198583. The next prime is 82198603. The reversal of 82198589 is 98589128.

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

It is not a de Polignac number, because 82198589 - 2²⁴ = 65421373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82198583) 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, 24062 + ... + 27264.

It is an arithmetic number, because the mean of its divisors is an integer number (11217204).

Almost surely, 2^82198589 is an apocalyptic number.

It is an amenable number.

82198589 is a deficient number, since it is larger than the sum of its proper divisors (7539043).

82198589 is a wasteful number, since it uses less digits than its factorization.

82198589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547.

The product of its digits is 414720, while the sum is 50.

The square root of 82198589 is about 9066.3437503770. The cubic root of 82198589 is about 434.7985838135.

The spelling of 82198589 in words is "eighty-two million, one hundred ninety-eight thousand, five hundred eighty-nine".