8855138 has 16 divisors (see below), whose sum is σ = 13957056. Its totient is φ = 4205520.

The previous prime is 8855137. The next prime is 8855149. The reversal of 8855138 is 8315588.

It is not an unprimeable number, because it can be changed into a prime (8855137) 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 7 ways as a sum of consecutive naturals, for example, 6908 + ... + 8088.

It is an arithmetic number, because the mean of its divisors is an integer number (872316).

Almost surely, 2^8855138 is an apocalyptic number.

8855138 is a deficient number, since it is larger than the sum of its proper divisors (5101918).

8855138 is a wasteful number, since it uses less digits than its factorization.

8855138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369.

The product of its digits is 38400, while the sum is 38.

The square root of 8855138 is about 2975.7583907300. The cubic root of 8855138 is about 206.8863215510.

The spelling of 8855138 in words is "eight million, eight hundred fifty-five thousand, one hundred thirty-eight".