98709728 has 24 divisors (see below), whose sum is σ = 209284488. Its totient is φ = 45558144.

The previous prime is 98709727. The next prime is 98709739. The reversal of 98709728 is 82790789.

It is a happy number.

It is a super-2 number, since 2×98709728² = 19487220803667968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98709727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118226 + ... + 119057.

It is an arithmetic number, because the mean of its divisors is an integer number (8720187).

Almost surely, 2^98709728 is an apocalyptic number.

It is an amenable number.

98709728 is an abundant number, since it is smaller than the sum of its proper divisors (110574760).

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

98709728 is a wasteful number, since it uses less digits than its factorization.

98709728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237306 (or 237298 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 98709728 is about 9935.2769463161. The cubic root of 98709728 is about 462.1539313283.

The spelling of 98709728 in words is "ninety-eight million, seven hundred nine thousand, seven hundred twenty-eight".