2868155 has 16 divisors (see below), whose sum is σ = 3737664. Its totient is φ = 2104320.

The previous prime is 2868149. The next prime is 2868161. The reversal of 2868155 is 5518682.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2868149) and next prime (2868161).

It is not a de Polignac number, because 2868155 - 2⁴ = 2868139 is a prime.

It is a Duffinian 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, 3074 + ... + 3896.

It is an arithmetic number, because the mean of its divisors is an integer number (233604).

2^2868155 is an apocalyptic number.

2868155 is a deficient number, since it is larger than the sum of its proper divisors (869509).

2868155 is a wasteful number, since it uses less digits than its factorization.

2868155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its digits is 19200, while the sum is 35.

The square root of 2868155 is about 1693.5628125346. The cubic root of 2868155 is about 142.0804113762.

The spelling of 2868155 in words is "two million, eight hundred sixty-eight thousand, one hundred fifty-five".