8429925 has 24 divisors (see below), whose sum is σ = 15929536. Its totient is φ = 3853440.

The previous prime is 8429917. The next prime is 8429947. The reversal of 8429925 is 5299248.

8429925 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8429925 - 2³ = 8429917 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7504 + ... + 8553.

Almost surely, 2^8429925 is an apocalyptic number.

It is an amenable number.

8429925 is a deficient number, since it is larger than the sum of its proper divisors (7499611).

8429925 is a wasteful number, since it uses less digits than its factorization.

8429925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16077 (or 16072 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 8429925 is about 2903.4333124768. The cubic root of 8429925 is about 203.5203794082.

The spelling of 8429925 in words is "eight million, four hundred twenty-nine thousand, nine hundred twenty-five".