9425999 has 4 divisors (see below), whose sum is σ = 10282920. Its totient is φ = 8569080.

The previous prime is 9425963. The next prime is 9426037. The reversal of 9425999 is 9995249.

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

It is a cyclic number.

It is not a de Polignac number, because 9425999 - 2⁸ = 9425743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9425099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428444 + ... + 428465.

It is an arithmetic number, because the mean of its divisors is an integer number (2570730).

Almost surely, 2^9425999 is an apocalyptic number.

9425999 is a deficient number, since it is larger than the sum of its proper divisors (856921).

9425999 is a wasteful number, since it uses less digits than its factorization.

9425999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856920.

The product of its digits is 262440, while the sum is 47.

The square root of 9425999 is about 3070.1789850105. The cubic root of 9425999 is about 211.2398237456.

The spelling of 9425999 in words is "nine million, four hundred twenty-five thousand, nine hundred ninety-nine".