8189925 has 12 divisors (see below), whose sum is σ = 13540800. Its totient is φ = 4367920.

The previous prime is 8189917. The next prime is 8189927. The reversal of 8189925 is 5299818.

It is a happy number.

It is not a de Polignac number, because 8189925 - 2³ = 8189917 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8189927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54525 + ... + 54674.

It is an arithmetic number, because the mean of its divisors is an integer number (1128400).

Almost surely, 2^8189925 is an apocalyptic number.

It is an amenable number.

8189925 is a deficient number, since it is larger than the sum of its proper divisors (5350875).

8189925 is a wasteful number, since it uses less digits than its factorization.

8189925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109212 (or 109207 counting only the distinct ones).

The product of its digits is 51840, while the sum is 42.

The square root of 8189925 is about 2861.8045006604. The cubic root of 8189925 is about 201.5703461281.

The spelling of 8189925 in words is "eight million, one hundred eighty-nine thousand, nine hundred twenty-five".