98128 has 10 divisors (see below), whose sum is σ = 190154. Its totient is φ = 49056.

The previous prime is 98123. The next prime is 98129. The reversal of 98128 is 82189.

It can be written as a sum of positive squares in only one way, i.e., 97344 + 784 = 312^2 + 28^2 .

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 98096 and 98105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3051 + ... + 3082.

2⁹⁸¹²⁸ is an apocalyptic number.

It is an amenable number.

98128 is a deficient number, since it is larger than the sum of its proper divisors (92026).

98128 is a wasteful number, since it uses less digits than its factorization.

98128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6141 (or 6135 counting only the distinct ones).

The product of its digits is 1152, while the sum is 28.

The square root of 98128 is about 313.2538906382. The cubic root of 98128 is about 46.1244268356.

It can be divided in two parts, 98 and 128, that multiplied together give a square (12544 = 112²).

The spelling of 98128 in words is "ninety-eight thousand, one hundred twenty-eight".