98559540 has 144 divisors (see below), whose sum is σ = 327075840. Its totient is φ = 23915520.

The previous prime is 98559529. The next prime is 98559551. The reversal of 98559540 is 4595589.

98559540 is a `hidden beast` number, since 98 + 559 + 5 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (98559529) and next prime (98559551).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94341 + ... + 95379.

It is an arithmetic number, because the mean of its divisors is an integer number (2271360).

Almost surely, 2^98559540 is an apocalyptic number.

98559540 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98559540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163537920).

98559540 is an abundant number, since it is smaller than the sum of its proper divisors (228516300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98559540 is a wasteful number, since it uses less digits than its factorization.

98559540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The square root of 98559540 is about 9927.7157493554. The cubic root of 98559540 is about 461.9194214897.

It can be divided in two parts, 98559 and 540, that added together give a palindrome (99099).

The spelling of 98559540 in words is "ninety-eight million, five hundred fifty-nine thousand, five hundred forty".