98555589 has 48 divisors (see below), whose sum is σ = 162664320. Its totient is φ = 58924800.

The previous prime is 98555521. The next prime is 98555591.

98555589 is a `hidden beast` number, since 9 + 8 + 5 + 55 + 589 = 666.

98555589 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 98555589 - 2⁸ = 98555333 is a prime.

It is a super-3 number, since 3×98555589³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98555089) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 316744 + ... + 317054.

It is an arithmetic number, because the mean of its divisors is an integer number (3388840).

Almost surely, 2^98555589 is an apocalyptic number.

98555589 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

98555589 is a deficient number, since it is larger than the sum of its proper divisors (64108731).

98555589 is a wasteful number, since it uses less digits than its factorization.

98555589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 422 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 54.

The square root of 98555589 is about 9927.5167589886. The cubic root of 98555589 is about 461.9132490177.

The spelling of 98555589 in words is "ninety-eight million, five hundred fifty-five thousand, five hundred eighty-nine".