9657613 has 4 divisors (see below), whose sum is σ = 11037280. Its totient is φ = 8277948.

The previous prime is 9657577. The next prime is 9657619. The reversal of 9657613 is 3167569.

9657613 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9657613 - 2⁹ = 9657101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9657619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689823 + ... + 689836.

It is an arithmetic number, because the mean of its divisors is an integer number (2759320).

Almost surely, 2^9657613 is an apocalyptic number.

It is an amenable number.

9657613 is a deficient number, since it is larger than the sum of its proper divisors (1379667).

9657613 is a wasteful number, since it uses less digits than its factorization.

9657613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379666.

The product of its digits is 34020, while the sum is 37.

The square root of 9657613 is about 3107.6700275287. The cubic root of 9657613 is about 212.9560255124.

The spelling of 9657613 in words is "nine million, six hundred fifty-seven thousand, six hundred thirteen".