9949425 has 24 divisors (see below), whose sum is σ = 16766784. Its totient is φ = 5204160.

The previous prime is 9949421. The next prime is 9949427. The reversal of 9949425 is 5249499.

It is not a de Polignac number, because 9949425 - 2² = 9949421 is a prime.

9949425 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9949421) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2724 + ... + 5226.

It is an arithmetic number, because the mean of its divisors is an integer number (698616).

Almost surely, 2^9949425 is an apocalyptic number.

It is an amenable number.

9949425 is a deficient number, since it is larger than the sum of its proper divisors (6817359).

9949425 is a wasteful number, since it uses less digits than its factorization.

9949425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569 (or 2564 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 9949425 is about 3154.2709141734. The cubic root of 9949425 is about 215.0796531978.

The spelling of 9949425 in words is "nine million, nine hundred forty-nine thousand, four hundred twenty-five".