98128790 has 32 divisors (see below), whose sum is σ = 180139680. Its totient is φ = 38479104.

The previous prime is 98128781. The next prime is 98128801. The reversal of 98128790 is 9782189.

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, 166877 + ... + 167463.

It is an arithmetic number, because the mean of its divisors is an integer number (5629365).

Almost surely, 2^98128790 is an apocalyptic number.

98128790 is a deficient number, since it is larger than the sum of its proper divisors (82010890).

98128790 is a wasteful number, since it uses less digits than its factorization.

98128790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 98128790 is about 9905.9976781746. The cubic root of 98128790 is about 461.2455061340.

The spelling of 98128790 in words is "ninety-eight million, one hundred twenty-eight thousand, seven hundred ninety".