98781936 has 80 divisors (see below), whose sum is σ = 283041408. Its totient is φ = 29433600.

The previous prime is 98781929. The next prime is 98781959. The reversal of 98781936 is 63918789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30675 + ... + 33741.

Almost surely, 2^98781936 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 98781936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141520704).

98781936 is an abundant number, since it is smaller than the sum of its proper divisors (184259472).

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

98781936 is a wasteful number, since it uses less digits than its factorization.

98781936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150 (or 3144 counting only the distinct ones).

The product of its digits is 653184, while the sum is 51.

The square root of 98781936 is about 9938.9102018280. The cubic root of 98781936 is about 462.2665952566.

The spelling of 98781936 in words is "ninety-eight million, seven hundred eighty-one thousand, nine hundred thirty-six".