98643924 has 72 divisors (see below), whose sum is σ = 258935040. Its totient is φ = 31637952.

The previous prime is 98643901. The next prime is 98643947. The reversal of 98643924 is 42934689.

98643924 is nontrivially palindromic in base 11.

It is an interprime number because it is at equal distance from previous prime (98643901) and next prime (98643947).

Its product of digits (373248) is a multiple of the sum of its prime divisors (864).

It is a self number, because there is not a number n which added to its sum of digits gives 98643924.

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, 136837 + ... + 137555.

It is an arithmetic number, because the mean of its divisors is an integer number (3596320).

Almost surely, 2^98643924 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 98643924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129467520).

98643924 is an abundant number, since it is smaller than the sum of its proper divisors (160291116).

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

98643924 is a wasteful number, since it uses less digits than its factorization.

98643924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 864 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 98643924 is about 9931.9647603080. The cubic root of 98643924 is about 462.0512115042.

The spelling of 98643924 in words is "ninety-eight million, six hundred forty-three thousand, nine hundred twenty-four".