8818385 has 4 divisors (see below), whose sum is σ = 10582068. Its totient is φ = 7054704.

The previous prime is 8818379. The next prime is 8818409. The reversal of 8818385 is 5838188.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1073296 + 7745089 = 1036^2 + 2783^2 .

It is a cyclic number.

It is not a de Polignac number, because 8818385 - 2¹⁸ = 8556241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881834 + ... + 881843.

It is an arithmetic number, because the mean of its divisors is an integer number (2645517).

Almost surely, 2^8818385 is an apocalyptic number.

It is an amenable number.

8818385 is a deficient number, since it is larger than the sum of its proper divisors (1763683).

8818385 is a wasteful number, since it uses less digits than its factorization.

8818385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763682.

The product of its digits is 61440, while the sum is 41.

The square root of 8818385 is about 2969.5765691425. The cubic root of 8818385 is about 206.5996993686.

The spelling of 8818385 in words is "eight million, eight hundred eighteen thousand, three hundred eighty-five".