9347945 has 8 divisors (see below), whose sum is σ = 11401800. Its totient is φ = 7355520.

The previous prime is 9347941. The next prime is 9347951. The reversal of 9347945 is 5497439.

9347945 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 4 ways, for example, as 839056 + 8508889 = 916^2 + 2917^2 .

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

It is not a de Polignac number, because 9347945 - 2² = 9347941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9347941) 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, 15020 + ... + 15629.

It is an arithmetic number, because the mean of its divisors is an integer number (1425225).

Almost surely, 2^9347945 is an apocalyptic number.

It is an amenable number.

9347945 is a deficient number, since it is larger than the sum of its proper divisors (2053855).

9347945 is a wasteful number, since it uses less digits than its factorization.

9347945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30715.

The product of its digits is 136080, while the sum is 41.

The square root of 9347945 is about 3057.4409233867. The cubic root of 9347945 is about 210.6551347081.

The spelling of 9347945 in words is "nine million, three hundred forty-seven thousand, nine hundred forty-five".