9613620 has 96 divisors (see below), whose sum is σ = 31516800. Its totient is φ = 2426112.

The previous prime is 9613579. The next prime is 9613621. The reversal of 9613620 is 263169.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9613621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9792 + ... + 10728.

It is an arithmetic number, because the mean of its divisors is an integer number (328300).

Almost surely, 2^9613620 is an apocalyptic number.

9613620 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9613620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15758400).

9613620 is an abundant number, since it is smaller than the sum of its proper divisors (21903180).

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

9613620 is a wasteful number, since it uses less digits than its factorization.

9613620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 9613620 is about 3100.5838159934. The cubic root of 9613620 is about 212.6321761309.

Adding to 9613620 its reverse (263169), we get a palindrome (9876789).

The spelling of 9613620 in words is "nine million, six hundred thirteen thousand, six hundred twenty".