98009540 has 12 divisors (see below), whose sum is σ = 205820076. Its totient is φ = 39203808.

The previous prime is 98009537. The next prime is 98009551. The reversal of 98009540 is 4590089.

It can be written as a sum of positive squares in 2 ways, for example, as 47087044 + 50922496 = 6862^2 + 7136^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 98009540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2450219 + ... + 2450258.

It is an arithmetic number, because the mean of its divisors is an integer number (17151673).

Almost surely, 2^98009540 is an apocalyptic number.

It is an amenable number.

98009540 is an abundant number, since it is smaller than the sum of its proper divisors (107810536).

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

98009540 is a wasteful number, since it uses less digits than its factorization.

98009540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900486 (or 4900484 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 98009540 is about 9899.9767676495. The cubic root of 98009540 is about 461.0585891157.

The spelling of 98009540 in words is "ninety-eight million, nine thousand, five hundred forty".