9615 has 8 divisors (see below), whose sum is σ = 15408. Its totient is φ = 5120.

The previous prime is 9613. The next prime is 9619. The reversal of 9615 is 5169.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9615 - 2¹ = 9613 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 9591 and 9600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9613) 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, 306 + ... + 335.

It is an arithmetic number, because the mean of its divisors is an integer number (1926).

2⁹⁶¹⁵ is an apocalyptic number.

9615 is a deficient number, since it is larger than the sum of its proper divisors (5793).

9615 is a wasteful number, since it uses less digits than its factorization.

9615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649.

The product of its digits is 270, while the sum is 21.

The square root of 9615 is about 98.0561063881. The cubic root of 9615 is about 21.2642349835.

It can be divided in two parts, 96 and 15, that added together give a palindrome (111).

The spelling of 9615 in words is "nine thousand, six hundred fifteen".