8448129 has 6 divisors (see below), whose sum is σ = 12202866. Its totient is φ = 5632080.

The previous prime is 8448101. The next prime is 8448131. The reversal of 8448129 is 9218448.

It can be written as a sum of positive squares in only one way, i.e., 6890625 + 1557504 = 2625^2 + 1248^2 .

It is not a de Polignac number, because 8448129 - 2¹⁵ = 8415361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8448093 and 8448102.

It is not an unprimeable number, because it can be changed into a prime (8447129) 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, 469332 + ... + 469349.

It is an arithmetic number, because the mean of its divisors is an integer number (2033811).

Almost surely, 2^8448129 is an apocalyptic number.

It is an amenable number.

8448129 is a deficient number, since it is larger than the sum of its proper divisors (3754737).

8448129 is a wasteful number, since it uses less digits than its factorization.

8448129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938687 (or 938684 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 8448129 is about 2906.5665311498. The cubic root of 8448129 is about 203.6667714320. Note that the first 3 decimals are identical.

The spelling of 8448129 in words is "eight million, four hundred forty-eight thousand, one hundred twenty-nine".