9489743 has 4 divisors (see below), whose sum is σ = 9524280. Its totient is φ = 9455208.

The previous prime is 9489719. The next prime is 9489763. The reversal of 9489743 is 3479849.

9489743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9489743 - 2²² = 5295439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9489694 and 9489703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9489763) 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, 16853 + ... + 17406.

It is an arithmetic number, because the mean of its divisors is an integer number (2381070).

Almost surely, 2^9489743 is an apocalyptic number.

9489743 is a deficient number, since it is larger than the sum of its proper divisors (34537).

9489743 is a wasteful number, since it uses less digits than its factorization.

9489743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34536.

The product of its digits is 217728, while the sum is 44.

The square root of 9489743 is about 3080.5426470023. The cubic root of 9489743 is about 211.7149292335.

The spelling of 9489743 in words is "nine million, four hundred eighty-nine thousand, seven hundred forty-three".