98861928 has 128 divisors (see below), whose sum is σ = 287280000. Its totient is φ = 28062720.

The previous prime is 98861897. The next prime is 98861941. The reversal of 98861928 is 82916889.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283098 + ... + 283446.

It is an arithmetic number, because the mean of its divisors is an integer number (2244375).

Almost surely, 2^98861928 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 98861928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143640000).

98861928 is an abundant number, since it is smaller than the sum of its proper divisors (188418072).

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

98861928 is a wasteful number, since it uses less digits than its factorization.

98861928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 431 counting only the distinct ones).

The product of its digits is 497664, while the sum is 51.

The square root of 98861928 is about 9942.9335711348. The cubic root of 98861928 is about 462.3913402392.

The spelling of 98861928 in words is "ninety-eight million, eight hundred sixty-one thousand, nine hundred twenty-eight".