98644 has 24 divisors (see below), whose sum is σ = 213248. Its totient is φ = 38880.

The previous prime is 98641. The next prime is 98663. The reversal of 98644 is 44689.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229 + ... + 499.

2⁹⁸⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106624).

98644 is an abundant number, since it is smaller than the sum of its proper divisors (114604).

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

98644 is a wasteful number, since it uses less digits than its factorization.

With its successor (98645) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (295).

98644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 293 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 98644 is about 314.0764238207. The cubic root of 98644 is about 46.2051330166.

The spelling of 98644 in words is "ninety-eight thousand, six hundred forty-four".