9634 has 4 divisors (see below), whose sum is σ = 14454. Its totient is φ = 4816.

The previous prime is 9631. The next prime is 9643. The reversal of 9634 is 4369.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4369 = 17 ⋅257.

It can be written as a sum of positive squares in only one way, i.e., 9409 + 225 = 97^2 + 15^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 6 and base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2407 + ... + 2410.

2⁹⁶³⁴ is an apocalyptic number.

9634 is a deficient number, since it is larger than the sum of its proper divisors (4820).

9634 is a wasteful number, since it uses less digits than its factorization.

9634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819.

The product of its digits is 648, while the sum is 22.

The square root of 9634 is about 98.1529418815. The cubic root of 9634 is about 21.2782323706.

The spelling of 9634 in words is "nine thousand, six hundred thirty-four".