2851995 has 16 divisors (see below), whose sum is σ = 4803840. Its totient is φ = 1440864.

The previous prime is 2851991. The next prime is 2852027. The reversal of 2851995 is 5991582.

2851995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2851995 - 2² = 2851991 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2851991) 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 15 ways as a sum of consecutive naturals, for example, 4719 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (300240).

2^2851995 is an apocalyptic number.

2851995 is a deficient number, since it is larger than the sum of its proper divisors (1951845).

2851995 is a wasteful number, since it uses less digits than its factorization.

2851995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10034.

The product of its digits is 32400, while the sum is 39.

The square root of 2851995 is about 1688.7850662533. The cubic root of 2851995 is about 141.8130681842.

The spelling of 2851995 in words is "two million, eight hundred fifty-one thousand, nine hundred ninety-five".