9925643 has 8 divisors (see below), whose sum is σ = 12216288. Its totient is φ = 7853184.

The previous prime is 9925633. The next prime is 9925667. The reversal of 9925643 is 3465299.

9925643 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9925643 - 2⁶ = 9925579 is a prime.

9925643 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 9925597 and 9925606.

It is not an unprimeable number, because it can be changed into a prime (9925613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54446 + ... + 54627.

It is an arithmetic number, because the mean of its divisors is an integer number (1527036).

Almost surely, 2^9925643 is an apocalyptic number.

9925643 is a deficient number, since it is larger than the sum of its proper divisors (2290645).

9925643 is a wasteful number, since it uses less digits than its factorization.

9925643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109093.

The product of its digits is 58320, while the sum is 38.

The square root of 9925643 is about 3150.4988493888. The cubic root of 9925643 is about 214.9081489754.

It can be divided in two parts, 99256 and 43, that added together give a palindrome (99299).

The spelling of 9925643 in words is "nine million, nine hundred twenty-five thousand, six hundred forty-three".