9423945 has 20 divisors (see below), whose sum is σ = 16894020. Its totient is φ = 5025888.

The previous prime is 9423929. The next prime is 9423949. The reversal of 9423945 is 5493249.

9423945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3606201 + 5817744 = 1899^2 + 2412^2 .

It is not a de Polignac number, because 9423945 - 2⁴ = 9423929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9423949) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11230 + ... + 12039.

It is an arithmetic number, because the mean of its divisors is an integer number (844701).

Almost surely, 2^9423945 is an apocalyptic number.

It is an amenable number.

9423945 is a deficient number, since it is larger than the sum of its proper divisors (7470075).

9423945 is a wasteful number, since it uses less digits than its factorization.

9423945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23286 (or 23277 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 9423945 is about 3069.8444586005. The cubic root of 9423945 is about 211.2244790196.

The spelling of 9423945 in words is "nine million, four hundred twenty-three thousand, nine hundred forty-five".