8418129 has 16 divisors (see below), whose sum is σ = 11618880. Its totient is φ = 5417280.

The previous prime is 8418127. The next prime is 8418133. The reversal of 8418129 is 9218148.

It is not a de Polignac number, because 8418129 - 2¹ = 8418127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8418129.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8418127) 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, 19882 + ... + 20300.

It is an arithmetic number, because the mean of its divisors is an integer number (726180).

Almost surely, 2^8418129 is an apocalyptic number.

It is an amenable number.

8418129 is a deficient number, since it is larger than the sum of its proper divisors (3200751).

8418129 is a wasteful number, since it uses less digits than its factorization.

8418129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its digits is 4608, while the sum is 33.

The square root of 8418129 is about 2901.4012132072. The cubic root of 8418129 is about 203.4254063589.

The spelling of 8418129 in words is "eight million, four hundred eighteen thousand, one hundred twenty-nine".