98128830 has 16 divisors (see below), whose sum is σ = 235509264. Its totient is φ = 26167680.

The previous prime is 98128817. The next prime is 98128831. The reversal of 98128830 is 3882189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98128831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635451 + ... + 1635510.

It is an arithmetic number, because the mean of its divisors is an integer number (14719329).

Almost surely, 2^98128830 is an apocalyptic number.

98128830 is an abundant number, since it is smaller than the sum of its proper divisors (137380434).

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

98128830 is a wasteful number, since it uses less digits than its factorization.

98128830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270971.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 98128830 is about 9905.9996971532. Note that the first 3 decimals coincide. The cubic root of 98128830 is about 461.2455688061.

The spelling of 98128830 in words is "ninety-eight million, one hundred twenty-eight thousand, eight hundred thirty".