98784664 has 32 divisors (see below), whose sum is σ = 203673600. Its totient is φ = 44543520.

The previous prime is 98784661. The next prime is 98784677. The reversal of 98784664 is 46648789.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98784661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6757 + ... + 15595.

It is an arithmetic number, because the mean of its divisors is an integer number (6364800).

Almost surely, 2^98784664 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 98784664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101836800).

98784664 is an abundant number, since it is smaller than the sum of its proper divisors (104888936).

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

98784664 is a wasteful number, since it uses less digits than its factorization.

98784664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8983 (or 8979 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 98784664 is about 9939.0474392670. The cubic root of 98784664 is about 462.2708505949.

The spelling of 98784664 in words is "ninety-eight million, seven hundred eighty-four thousand, six hundred sixty-four".