9636540 has 48 divisors (see below), whose sum is σ = 28159488. Its totient is φ = 2457664.

The previous prime is 9636533. The next prime is 9636541. The reversal of 9636540 is 456369.

It is a happy number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9636541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2112 + ... + 4871.

It is an arithmetic number, because the mean of its divisors is an integer number (586656).

Almost surely, 2^9636540 is an apocalyptic number.

It is an amenable number.

9636540 is an abundant number, since it is smaller than the sum of its proper divisors (18522948).

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

9636540 is a wasteful number, since it uses less digits than its factorization.

9636540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018 (or 7016 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 9636540 is about 3104.2776937639. The cubic root of 9636540 is about 212.8010220521.

It can be divided in two parts, 963 and 6540, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 9636540 in words is "nine million, six hundred thirty-six thousand, five hundred forty".