9930425 has 6 divisors (see below), whose sum is σ = 12313758. Its totient is φ = 7944320.

The previous prime is 9930419. The next prime is 9930433. The reversal of 9930425 is 5240399.

It can be written as a sum of positive squares in 3 ways, for example, as 1026169 + 8904256 = 1013^2 + 2984^2 .

It is not a de Polignac number, because 9930425 - 2⁸ = 9930169 is a prime.

It is a super-2 number, since 2×9930425² = 197226681361250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9930391 and 9930400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 198584 + ... + 198633.

It is an arithmetic number, because the mean of its divisors is an integer number (2052293).

Almost surely, 2^9930425 is an apocalyptic number.

It is an amenable number.

9930425 is a deficient number, since it is larger than the sum of its proper divisors (2383333).

9930425 is a wasteful number, since it uses less digits than its factorization.

9930425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397227 (or 397222 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 9930425 is about 3151.2576854329. The cubic root of 9930425 is about 214.9426564214.

The spelling of 9930425 in words is "nine million, nine hundred thirty thousand, four hundred twenty-five".