98998620 has 144 divisors (see below), whose sum is σ = 326043648. Its totient is φ = 22377600.

The previous prime is 98998619. The next prime is 98998621. The reversal of 98998620 is 2689989.

It is an interprime number because it is at equal distance from previous prime (98998619) and next prime (98998621).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98998621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 443829 + ... + 444051.

It is an arithmetic number, because the mean of its divisors is an integer number (2264192).

Almost surely, 2^98998620 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 98998620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163021824).

98998620 is an abundant number, since it is smaller than the sum of its proper divisors (227045028).

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

98998620 is a wasteful number, since it uses less digits than its factorization.

98998620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 98998620 is about 9949.8050232153. The cubic root of 98998620 is about 462.6043514235.

The spelling of 98998620 in words is "ninety-eight million, nine hundred ninety-eight thousand, six hundred twenty".