98643750 has 48 divisors (see below), whose sum is σ = 246640464. Its totient is φ = 26300000.

The previous prime is 98643749. The next prime is 98643791. The reversal of 98643750 is 5734689.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16120 + ... + 21380.

It is an arithmetic number, because the mean of its divisors is an integer number (5138343).

Almost surely, 2^98643750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98643750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123320232).

98643750 is an abundant number, since it is smaller than the sum of its proper divisors (147996714).

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

98643750 is an equidigital number, since it uses as much as digits as its factorization.

98643750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291 (or 5271 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 98643750 is about 9931.9560007080. The cubic root of 98643750 is about 462.0509398302.

The spelling of 98643750 in words is "ninety-eight million, six hundred forty-three thousand, seven hundred fifty".