8938845 has 12 divisors (see below), whose sum is σ = 15494076. Its totient is φ = 4767360.

The previous prime is 8938843. The next prime is 8938849. The reversal of 8938845 is 5488398.

It can be written as a sum of positive squares in 2 ways, for example, as 5890329 + 3048516 = 2427^2 + 1746^2 .

It is not a de Polignac number, because 8938845 - 2¹ = 8938843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 198641 = 8938845 / (8 + 9 + 3 + 8 + 8 + 4 + 5).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 8938845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8938843) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 99276 + ... + 99365.

It is an arithmetic number, because the mean of its divisors is an integer number (1291173).

Almost surely, 2^8938845 is an apocalyptic number.

It is an amenable number.

8938845 is a deficient number, since it is larger than the sum of its proper divisors (6555231).

8938845 is a wasteful number, since it uses less digits than its factorization.

8938845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198652 (or 198649 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 8938845 is about 2989.7901264136. The cubic root of 8938845 is about 207.5361721427.

The spelling of 8938845 in words is "eight million, nine hundred thirty-eight thousand, eight hundred forty-five".