9540636 has 48 divisors (see below), whose sum is σ = 25933824. Its totient is φ = 2673216.

The previous prime is 9540617. The next prime is 9540649. The reversal of 9540636 is 6360459.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9540597 and 9540606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3381 + ... + 5523.

It is an arithmetic number, because the mean of its divisors is an integer number (540288).

Almost surely, 2^9540636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9540636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12966912).

9540636 is an abundant number, since it is smaller than the sum of its proper divisors (16393188).

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

9540636 is a wasteful number, since it uses less digits than its factorization.

9540636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210 (or 2208 counting only the distinct ones).

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

The square root of 9540636 is about 3088.7919968816. The cubic root of 9540636 is about 212.0927267319.

The spelling of 9540636 in words is "nine million, five hundred forty thousand, six hundred thirty-six".