9173440 has 56 divisors (see below), whose sum is σ = 22128480. Its totient is φ = 3621888.

The previous prime is 9173393. The next prime is 9173441. The reversal of 9173440 is 443719.

9173440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9173399 and 9173408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9173441) 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, 34749 + ... + 35011.

Almost surely, 2^9173440 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 9173440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11064240).

9173440 is an abundant number, since it is smaller than the sum of its proper divisors (12955040).

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

9173440 is a wasteful number, since it uses less digits than its factorization.

9173440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 9173440 is about 3028.7687267271. The cubic root of 9173440 is about 209.3360739991.

The spelling of 9173440 in words is "nine million, one hundred seventy-three thousand, four hundred forty".