9665532 has 18 divisors (see below), whose sum is σ = 24432408. Its totient is φ = 3221832.

The previous prime is 9665527. The next prime is 9665567. The reversal of 9665532 is 2355669.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 268487 = 9665532 / (9 + 6 + 6 + 5 + 5 + 3 + 2).

It is a d-powerful number, because it can be written as 9⁷ + 6⁶ + 6⁶ + 5⁵ + 5⁵ + 3¹⁴ + 2⁵ .

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134208 + ... + 134279.

It is an arithmetic number, because the mean of its divisors is an integer number (1357356).

Almost surely, 2^9665532 is an apocalyptic number.

It is an amenable number.

9665532 is an abundant number, since it is smaller than the sum of its proper divisors (14766876).

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

9665532 is a wasteful number, since it uses less digits than its factorization.

9665532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268497 (or 268492 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 9665532 is about 3108.9438721212. The cubic root of 9665532 is about 213.0142158071.

The spelling of 9665532 in words is "nine million, six hundred sixty-five thousand, five hundred thirty-two".