98428 has 12 divisors (see below), whose sum is σ = 187992. Its totient is φ = 44720.

The previous prime is 98419. The next prime is 98429. The reversal of 98428 is 82489.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 98428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98429) by changing a digit.

98428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075 + ... + 1162.

It is an arithmetic number, because the mean of its divisors is an integer number (15666).

2⁹⁸⁴²⁸ is an apocalyptic number.

It is an amenable number.

98428 is a deficient number, since it is larger than the sum of its proper divisors (89564).

98428 is a wasteful number, since it uses less digits than its factorization.

98428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252 (or 2250 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 98428 is about 313.7323700226. The cubic root of 98428 is about 46.1713833640.

The spelling of 98428 in words is "ninety-eight thousand, four hundred twenty-eight".