9642040 has 16 divisors (see below), whose sum is σ = 21694680. Its totient is φ = 3856800.

The previous prime is 9641999. The next prime is 9642047. The reversal of 9642040 is 402469.

9642040 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9641996 and 9642014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9642047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120486 + ... + 120565.

Almost surely, 2^9642040 is an apocalyptic number.

It is an amenable number.

9642040 is an abundant number, since it is smaller than the sum of its proper divisors (12052640).

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

9642040 is a wasteful number, since it uses less digits than its factorization.

9642040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241062 (or 241058 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 9642040 is about 3105.1634417531. The cubic root of 9642040 is about 212.8414993404.

The spelling of 9642040 in words is "nine million, six hundred forty-two thousand, forty".