8418904 has 32 divisors (see below), whose sum is σ = 17136000. Its totient is φ = 3877536.

The previous prime is 8418901. The next prime is 8418913. The reversal of 8418904 is 4098148.

It is a super-2 number, since 2×8418904² = 141755889122432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8418904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8418901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17337 + ... + 17815.

It is an arithmetic number, because the mean of its divisors is an integer number (535500).

Almost surely, 2^8418904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8418904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8568000).

8418904 is an abundant number, since it is smaller than the sum of its proper divisors (8717096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8418904 is a wasteful number, since it uses less digits than its factorization.

8418904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 8418904 is about 2901.5347662918. The cubic root of 8418904 is about 203.4316488329.

The spelling of 8418904 in words is "eight million, four hundred eighteen thousand, nine hundred four".