98742128 has 40 divisors (see below), whose sum is σ = 200880000. Its totient is φ = 46929344.

The previous prime is 98742101. The next prime is 98742131. The reversal of 98742128 is 82124789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65123 + ... + 66621.

It is an arithmetic number, because the mean of its divisors is an integer number (5022000).

Almost surely, 2^98742128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98742128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100440000).

98742128 is an abundant number, since it is smaller than the sum of its proper divisors (102137872).

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

98742128 is a wasteful number, since it uses less digits than its factorization.

98742128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709 (or 1703 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 98742128 is about 9936.9073659766. The cubic root of 98742128 is about 462.2044908481.

The spelling of 98742128 in words is "ninety-eight million, seven hundred forty-two thousand, one hundred twenty-eight".