9789425 has 12 divisors (see below), whose sum is σ = 12262236. Its totient is φ = 7752000.

The previous prime is 9789419. The next prime is 9789431. The reversal of 9789425 is 5249879.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9789419) and next prime (9789431).

It can be written as a sum of positive squares in 6 ways, for example, as 5041 + 9784384 = 71^2 + 3128^2 .

It is not a de Polignac number, because 9789425 - 2⁶ = 9789361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 587 + ... + 4463.

It is an arithmetic number, because the mean of its divisors is an integer number (1021853).

Almost surely, 2^9789425 is an apocalyptic number.

It is an amenable number.

9789425 is a deficient number, since it is larger than the sum of its proper divisors (2472811).

9789425 is a wasteful number, since it uses less digits than its factorization.

9789425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988 (or 3983 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 9789425 is about 3128.8056826847. The cubic root of 9789425 is about 213.9204948203.

The spelling of 9789425 in words is "nine million, seven hundred eighty-nine thousand, four hundred twenty-five".