9481440 has 48 divisors (see below), whose sum is σ = 29868048. Its totient is φ = 2528256.

The previous prime is 9481421. The next prime is 9481447. The reversal of 9481440 is 441849.

It is a tau number, because it is divible by the number of its divisors (48).

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 = 9481398 and 9481407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9481447) 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, 9397 + ... + 10356.

It is an arithmetic number, because the mean of its divisors is an integer number (622251).

Almost surely, 2^9481440 is an apocalyptic number.

It is an amenable number.

9481440 is an abundant number, since it is smaller than the sum of its proper divisors (20386608).

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

9481440 is a wasteful number, since it uses less digits than its factorization.

9481440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19771 (or 19763 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 9481440 is about 3079.1946999175. The cubic root of 9481440 is about 211.6531649340.

The spelling of 9481440 in words is "nine million, four hundred eighty-one thousand, four hundred forty".