9307945 has 4 divisors (see below), whose sum is σ = 11169540. Its totient is φ = 7446352.

The previous prime is 9307937. The next prime is 9307973. The reversal of 9307945 is 5497039.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2396304 + 6911641 = 1548^2 + 2629^2 .

It is a cyclic number.

It is not a de Polignac number, because 9307945 - 2³ = 9307937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930790 + ... + 930799.

It is an arithmetic number, because the mean of its divisors is an integer number (2792385).

Almost surely, 2^9307945 is an apocalyptic number.

It is an amenable number.

9307945 is a deficient number, since it is larger than the sum of its proper divisors (1861595).

9307945 is a wasteful number, since it uses less digits than its factorization.

9307945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861594.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 9307945 is about 3050.8924923701. The cubic root of 9307945 is about 210.3542396036.

The spelling of 9307945 in words is "nine million, three hundred seven thousand, nine hundred forty-five".