98638648 has 8 divisors (see below), whose sum is σ = 184947480. Its totient is φ = 49319320.

The previous prime is 98638643. The next prime is 98638669. The reversal of 98638648 is 84683689.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 98638595 and 98638604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98638643) by changing a digit.

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 as a sum of consecutive naturals, namely, 6164908 + ... + 6164923.

It is an arithmetic number, because the mean of its divisors is an integer number (23118435).

Almost surely, 2^98638648 is an apocalyptic number.

It is an amenable number.

98638648 is a deficient number, since it is larger than the sum of its proper divisors (86308832).

98638648 is a wasteful number, since it uses less digits than its factorization.

98638648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12329837 (or 12329833 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The square root of 98638648 is about 9931.6991496924. The cubic root of 98638648 is about 462.0429737079.

The spelling of 98638648 in words is "ninety-eight million, six hundred thirty-eight thousand, six hundred forty-eight".