98705620 has 48 divisors (see below), whose sum is σ = 226412928. Its totient is φ = 35925120.

The previous prime is 98705617. The next prime is 98705639. The reversal of 98705620 is 2650789.

It is a self number, because there is not a number n which added to its sum of digits gives 98705620.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15787 + ... + 21133.

It is an arithmetic number, because the mean of its divisors is an integer number (4716936).

Almost surely, 2^98705620 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 98705620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113206464).

98705620 is an abundant number, since it is smaller than the sum of its proper divisors (127707308).

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

98705620 is a wasteful number, since it uses less digits than its factorization.

98705620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5440 (or 5438 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 98705620 is about 9935.0702060932. The cubic root of 98705620 is about 462.1475200902.

The spelling of 98705620 in words is "ninety-eight million, seven hundred five thousand, six hundred twenty".