2831895 has 32 divisors (see below), whose sum is σ = 5495040. Its totient is φ = 1372320.

The previous prime is 2831863. The next prime is 2831903. The reversal of 2831895 is 5981382.

It is not a de Polignac number, because 2831895 - 2⁵ = 2831863 is a prime.

2831895 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 532 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (171720).

2^2831895 is an apocalyptic number.

2831895 is a deficient number, since it is larger than the sum of its proper divisors (2663145).

2831895 is a wasteful number, since it uses less digits than its factorization.

2831895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 1926 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 2831895 is about 1682.8235201589. The cubic root of 2831895 is about 141.4791305527.

The spelling of 2831895 in words is "two million, eight hundred thirty-one thousand, eight hundred ninety-five".