9455840 has 48 divisors (see below), whose sum is σ = 22580208. Its totient is φ = 3741696.

The previous prime is 9455821. The next prime is 9455843. The reversal of 9455840 is 485549.

It is a self number, because there is not a number n which added to its sum of digits gives 9455840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9455843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17819 + ... + 18341.

It is an arithmetic number, because the mean of its divisors is an integer number (470421).

Almost surely, 2^9455840 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 9455840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11290104).

9455840 is an abundant number, since it is smaller than the sum of its proper divisors (13124368).

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

9455840 is a wasteful number, since it uses less digits than its factorization.

9455840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 9455840 is about 3075.0349591509. The cubic root of 9455840 is about 211.4625045540.

The spelling of 9455840 in words is "nine million, four hundred fifty-five thousand, eight hundred forty".