9636240 has 40 divisors (see below), whose sum is σ = 29873088. Its totient is φ = 2569600.

The previous prime is 9636233. The next prime is 9636247. The reversal of 9636240 is 426369.

It is an interprime number because it is at equal distance from previous prime (9636233) and next prime (9636247).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 9636198 and 9636207.

It is not an unprimeable number, because it can be changed into a prime (9636247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19836 + ... + 20315.

Almost surely, 2^9636240 is an apocalyptic number.

It is an amenable number.

9636240 is an abundant number, since it is smaller than the sum of its proper divisors (20236848).

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

9636240 is a wasteful number, since it uses less digits than its factorization.

9636240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40167 (or 40161 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 9636240 is about 3104.2293729684. The cubic root of 9636240 is about 212.7988137571.

The spelling of 9636240 in words is "nine million, six hundred thirty-six thousand, two hundred forty".