9399425 has 18 divisors (see below), whose sum is σ = 13559958. Its totient is φ = 6444480.

The previous prime is 9399421. The next prime is 9399431. The reversal of 9399425 is 5249939.

It can be written as a sum of positive squares in 3 ways, for example, as 919681 + 8479744 = 959^2 + 2912^2 .

It is not a de Polignac number, because 9399425 - 2² = 9399421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9399421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2612 + ... + 5061.

It is an arithmetic number, because the mean of its divisors is an integer number (753331).

Almost surely, 2^9399425 is an apocalyptic number.

It is an amenable number.

9399425 is a deficient number, since it is larger than the sum of its proper divisors (4160533).

9399425 is a wasteful number, since it uses less digits than its factorization.

9399425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7697 (or 7685 counting only the distinct ones).

The product of its digits is 87480, while the sum is 41.

The square root of 9399425 is about 3065.8481697566. The cubic root of 9399425 is about 211.0411261300.

The spelling of 9399425 in words is "nine million, three hundred ninety-nine thousand, four hundred twenty-five".