9855480 has 32 divisors (see below), whose sum is σ = 29566800. Its totient is φ = 2628096.

The previous prime is 9855467. The next prime is 9855481. The reversal of 9855480 is 845589.

9855480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9855481) 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, 40945 + ... + 41184.

Almost surely, 2^9855480 is an apocalyptic number.

It is an amenable number.

9855480 is an abundant number, since it is smaller than the sum of its proper divisors (19711320).

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

9855480 is a wasteful number, since it uses less digits than its factorization.

9855480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82143 (or 82139 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 9855480 is about 3139.3438804948. The cubic root of 9855480 is about 214.4005657333.

The spelling of 9855480 in words is "nine million, eight hundred fifty-five thousand, four hundred eighty".