9927445 has 24 divisors (see below), whose sum is σ = 13358520. Its totient is φ = 7075200.

The previous prime is 9927397. The next prime is 9927487. The reversal of 9927445 is 5447299.

It can be written as a sum of positive squares in 4 ways, for example, as 576081 + 9351364 = 759^2 + 3058^2 .

It is not a de Polignac number, because 9927445 - 2⁹ = 9926933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9927398 and 9927407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36771 + ... + 37039.

It is an arithmetic number, because the mean of its divisors is an integer number (556605).

Almost surely, 2^9927445 is an apocalyptic number.

It is an amenable number.

9927445 is a deficient number, since it is larger than the sum of its proper divisors (3431075).

9927445 is a wasteful number, since it uses less digits than its factorization.

9927445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 346 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 9927445 is about 3150.7848228656. The cubic root of 9927445 is about 214.9211537097.

The spelling of 9927445 in words is "nine million, nine hundred twenty-seven thousand, four hundred forty-five".