9662 has 4 divisors (see below), whose sum is σ = 14496. Its totient is φ = 4830.

The previous prime is 9661. The next prime is 9677. The reversal of 9662 is 2669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2669 = 17 ⋅157.

It is a plaindrome in base 16.

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 (9661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2414 + ... + 2417.

It is an arithmetic number, because the mean of its divisors is an integer number (3624).

9662 is a deficient number, since it is larger than the sum of its proper divisors (4834).

9662 is a wasteful number, since it uses less digits than its factorization.

9662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4833.

The product of its digits is 648, while the sum is 23.

The square root of 9662 is about 98.2954729375. The cubic root of 9662 is about 21.2988265938.

The spelling of 9662 in words is "nine thousand, six hundred sixty-two".