98139888 has 240 divisors, whose sum is σ = 350977536. Its totient is φ = 24860160.

The previous prime is 98139851. The next prime is 98139907. The reversal of 98139888 is 88893189.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (995328) is a multiple of the sum of its prime divisors (243).

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, 587581 + ... + 587747.

Almost surely, 2^98139888 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 98139888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175488768).

98139888 is an abundant number, since it is smaller than the sum of its proper divisors (252837648).

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

98139888 is a wasteful number, since it uses less digits than its factorization.

98139888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 243 counting only the distinct ones).

The product of its digits is 995328, while the sum is 54.

The square root of 98139888 is about 9906.5578280248. The cubic root of 98139888 is about 461.2628938604.

It can be divided in two parts, 9813 and 9888, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 98139888 in words is "ninety-eight million, one hundred thirty-nine thousand, eight hundred eighty-eight".