2855138 has 32 divisors (see below), whose sum is σ = 5140800. Its totient is φ = 1172160.

The previous prime is 2855129. The next prime is 2855141. The reversal of 2855138 is 8315582.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19088 + ... + 19236.

It is an arithmetic number, because the mean of its divisors is an integer number (160650).

2^2855138 is an apocalyptic number.

2855138 is a deficient number, since it is larger than the sum of its proper divisors (2285662).

2855138 is a wasteful number, since it uses less digits than its factorization.

2855138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242.

The product of its digits is 9600, while the sum is 32.

The square root of 2855138 is about 1689.7153606451. The cubic root of 2855138 is about 141.8651434089.

The spelling of 2855138 in words is "two million, eight hundred fifty-five thousand, one hundred thirty-eight".