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9798 = 232371
BaseRepresentation
bin10011001000110
3111102220
42121012
5303143
6113210
740365
oct23106
914386
109798
1173a8
125806
1345c9
1437dc
152d83
hex2646

9798 has 16 divisors (see below), whose sum is σ = 20736. Its totient is φ = 3080.

The previous prime is 9791. The next prime is 9803. The reversal of 9798 is 8979.

9798 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9791) 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, 103 + ... + 173.

It is an arithmetic number, because the mean of its divisors is an integer number (1296).

29798 is an apocalyptic number.

9798 is an abundant number, since it is smaller than the sum of its proper divisors (10938).

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 (10368).

9798 is a wasteful number, since it uses less digits than its factorization.

9798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99.

The product of its digits is 4536, while the sum is 33.

The square root of 9798 is about 98.9848473252. The cubic root of 9798 is about 21.3982937470.

The spelling of 9798 in words is "nine thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 23 46 69 71 138 142 213 426 1633 3266 4899 9798