9638445 has 8 divisors (see below), whose sum is σ = 15421536. Its totient is φ = 5140496.

The previous prime is 9638443. The next prime is 9638459. The reversal of 9638445 is 5448369.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9638445 - 2¹ = 9638443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9638441) 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, 321267 + ... + 321296.

It is an arithmetic number, because the mean of its divisors is an integer number (1927692).

Almost surely, 2^9638445 is an apocalyptic number.

It is an amenable number.

9638445 is a deficient number, since it is larger than the sum of its proper divisors (5783091).

9638445 is a wasteful number, since it uses less digits than its factorization.

9638445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642571.

The product of its digits is 103680, while the sum is 39.

The square root of 9638445 is about 3104.5845132642. The cubic root of 9638445 is about 212.8150436559.

The spelling of 9638445 in words is "nine million, six hundred thirty-eight thousand, four hundred forty-five".