9404425 has 12 divisors (see below), whose sum is σ = 11768220. Its totient is φ = 7454720.

The previous prime is 9404399. The next prime is 9404443. The reversal of 9404425 is 5244049.

It can be written as a sum of positive squares in 6 ways, for example, as 2350089 + 7054336 = 1533^2 + 2656^2 .

It is not a de Polignac number, because 9404425 - 2⁵ = 9404393 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9404393 and 9404402.

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, 1161 + ... + 4489.

It is an arithmetic number, because the mean of its divisors is an integer number (980685).

Almost surely, 2^9404425 is an apocalyptic number.

It is an amenable number.

9404425 is a deficient number, since it is larger than the sum of its proper divisors (2363795).

9404425 is a wasteful number, since it uses less digits than its factorization.

9404425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452 (or 3447 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 9404425 is about 3066.6634963752. The cubic root of 9404425 is about 211.0785404251.

The spelling of 9404425 in words is "nine million, four hundred four thousand, four hundred twenty-five".