9929625 has 16 divisors (see below), whose sum is σ = 16523520. Its totient is φ = 5295600.

The previous prime is 9929617. The next prime is 9929627. The reversal of 9929625 is 5269299.

9929625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9929625 - 2³ = 9929617 is a prime.

9929625 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9929627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12865 + ... + 13614.

It is an arithmetic number, because the mean of its divisors is an integer number (1032720).

Almost surely, 2^9929625 is an apocalyptic number.

It is an amenable number.

9929625 is a deficient number, since it is larger than the sum of its proper divisors (6593895).

9929625 is a wasteful number, since it uses less digits than its factorization.

9929625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26497 (or 26487 counting only the distinct ones).

The product of its digits is 87480, while the sum is 42.

The square root of 9929625 is about 3151.1307494295. The cubic root of 9929625 is about 214.9368843038.

The spelling of 9929625 in words is "nine million, nine hundred twenty-nine thousand, six hundred twenty-five".