98140 has 24 divisors (see below), whose sum is σ = 235872. Its totient is φ = 33600.
The previous prime is 98129. The next prime is 98143. The reversal of 98140 is 4189.
It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (98143) 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, 211 + ... + 490.
It is an arithmetic number, because the mean of its divisors is an integer number (9828).
298140 is an apocalyptic number.
It is an amenable number.
98140 is an abundant number, since it is smaller than the sum of its proper divisors (137732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117936).
98140 is a wasteful number, since it uses less digits than its factorization.
98140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 717 (or 715 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 98140 is about 313.2730438451. The cubic root of 98140 is about 46.1263069329.
The spelling of 98140 in words is "ninety-eight thousand, one hundred forty".
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