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BaseRepresentation
bin10010110010100
3111012022
42112110
5301440
6112312
740022
oct22624
914168
109620
117256
125698
1344c0
143712
152cb5
hex2594

9620 has 24 divisors (see below), whose sum is σ = 22344. Its totient is φ = 3456.

The previous prime is 9619. The next prime is 9623. The reversal of 9620 is 269.

It can be written as a sum of positive squares in 4 ways, for example, as 1156 + 8464 = 34^2 + 92^2 .

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 (9623) 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, 242 + ... + 278.

It is an arithmetic number, because the mean of its divisors is an integer number (931).

29620 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 9620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11172).

9620 is an abundant number, since it is smaller than the sum of its proper divisors (12724).

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

9620 is a wasteful number, since it uses less digits than its factorization.

9620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 9620 is about 98.0815986819. The cubic root of 9620 is about 21.2679202929.

Adding to 9620 its reverse (269), we get a palindrome (9889).

The spelling of 9620 in words is "nine thousand, six hundred twenty".