98109700 has 72 divisors (see below), whose sum is σ = 231179648. Its totient is φ = 35925120.

The previous prime is 98109689. The next prime is 98109709. The reversal of 98109700 is 790189.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (98109709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211669 + ... + 212131.

Almost surely, 2^98109700 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 98109700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115589824).

98109700 is an abundant number, since it is smaller than the sum of its proper divisors (133069948).

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

98109700 is a wasteful number, since it uses less digits than its factorization.

98109700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 98109700 is about 9905.0340736415. The cubic root of 98109700 is about 461.2155939211.

Adding to 98109700 its reverse (790189), we get a palindrome (98899889).

The spelling of 98109700 in words is "ninety-eight million, one hundred nine thousand, seven hundred".