98987728 has 40 divisors (see below), whose sum is σ = 225120512. Its totient is φ = 41275008.

The previous prime is 98987723. The next prime is 98987767. The reversal of 98987728 is 82778989.

It is a super-3 number, since 3×98987728³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98987723) 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, 7800 + ... + 16087.

Almost surely, 2^98987728 is an apocalyptic number.

It is an amenable number.

98987728 is an abundant number, since it is smaller than the sum of its proper divisors (126132784).

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

98987728 is a wasteful number, since it uses less digits than its factorization.

98987728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23939 (or 23933 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 58.

The square root of 98987728 is about 9949.2576607504. The cubic root of 98987728 is about 462.5873852901.

The spelling of 98987728 in words is "ninety-eight million, nine hundred eighty-seven thousand, seven hundred twenty-eight".