9646425 has 48 divisors (see below), whose sum is σ = 18332160. Its totient is φ = 4968000.

The previous prime is 9646423. The next prime is 9646457. The reversal of 9646425 is 5246469.

9646425 is a `hidden beast` number, since 9 + 6 + 4 + 642 + 5 = 666.

It is not a de Polignac number, because 9646425 - 2¹ = 9646423 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 9646425.

It is not an unprimeable number, because it can be changed into a prime (9646423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20695 + ... + 21155.

It is an arithmetic number, because the mean of its divisors is an integer number (381920).

Almost surely, 2^9646425 is an apocalyptic number.

It is an amenable number.

9646425 is a deficient number, since it is larger than the sum of its proper divisors (8685735).

9646425 is a wasteful number, since it uses less digits than its factorization.

9646425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 500 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 9646425 is about 3105.8694434892. The cubic root of 9646425 is about 212.8737597517.

The spelling of 9646425 in words is "nine million, six hundred forty-six thousand, four hundred twenty-five".