9425439 has 6 divisors (see below), whose sum is σ = 13614536. Its totient is φ = 6283620.

The previous prime is 9425431. The next prime is 9425447. The reversal of 9425439 is 9345249.

It is an interprime number because it is at equal distance from previous prime (9425431) and next prime (9425447).

It is not a de Polignac number, because 9425439 - 2³ = 9425431 is a prime.

It is a Duffinian number.

9425439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9425431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 523627 + ... + 523644.

Almost surely, 2^9425439 is an apocalyptic number.

9425439 is a deficient number, since it is larger than the sum of its proper divisors (4189097).

9425439 is a wasteful number, since it uses less digits than its factorization.

9425439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047277 (or 1047274 counting only the distinct ones).

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

The square root of 9425439 is about 3070.0877837612. The cubic root of 9425439 is about 211.2356403997.

The spelling of 9425439 in words is "nine million, four hundred twenty-five thousand, four hundred thirty-nine".