98889644 has 24 divisors (see below), whose sum is σ = 201818400. Its totient is φ = 42380688.

The previous prime is 98889631. The next prime is 98889649. The reversal of 98889644 is 44698889.

It is a self number, because there is not a number n which added to its sum of digits gives 98889644.

It is not an unprimeable number, because it can be changed into a prime (98889649) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34667 + ... + 37410.

It is an arithmetic number, because the mean of its divisors is an integer number (8409100).

Almost surely, 2^98889644 is an apocalyptic number.

It is an amenable number.

98889644 is an abundant number, since it is smaller than the sum of its proper divisors (102928756).

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

98889644 is a wasteful number, since it uses less digits than its factorization.

98889644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72102 (or 72086 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 56.

The square root of 98889644 is about 9944.3272271180. The cubic root of 98889644 is about 462.4345467638.

The spelling of 98889644 in words is "ninety-eight million, eight hundred eighty-nine thousand, six hundred forty-four".