8398925 has 6 divisors (see below), whose sum is σ = 10414698. Its totient is φ = 6719120.

The previous prime is 8398921. The next prime is 8398927. The reversal of 8398925 is 5298938.

8398925 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 299209 + 8099716 = 547^2 + 2846^2 .

It is not a de Polignac number, because 8398925 - 2² = 8398921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8398921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167954 + ... + 168003.

It is an arithmetic number, because the mean of its divisors is an integer number (1735783).

Almost surely, 2^8398925 is an apocalyptic number.

It is an amenable number.

8398925 is a deficient number, since it is larger than the sum of its proper divisors (2015773).

8398925 is a wasteful number, since it uses less digits than its factorization.

8398925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335967 (or 335962 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 8398925 is about 2898.0898881850. The cubic root of 8398925 is about 203.2705993574.

The spelling of 8398925 in words is "eight million, three hundred ninety-eight thousand, nine hundred twenty-five".