2857395 has 16 divisors (see below), whose sum is σ = 4637952. Its totient is φ = 1501920.

The previous prime is 2857381. The next prime is 2857397. The reversal of 2857395 is 5937582.

It is not a de Polignac number, because 2857395 - 2⁹ = 2856883 is a prime.

It is an Ulam number.

2857395 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2857397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277 + ... + 2406.

It is an arithmetic number, because the mean of its divisors is an integer number (289872).

2^2857395 is an apocalyptic number.

2857395 is a deficient number, since it is larger than the sum of its proper divisors (1780557).

2857395 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (2857394) it forms an eRAP, since the sums of their prime factors are consecutive (2761 and 2762).

2857395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762.

The product of its digits is 75600, while the sum is 39.

The square root of 2857395 is about 1690.3830926746. The cubic root of 2857395 is about 141.9025152505.

The spelling of 2857395 in words is "two million, eight hundred fifty-seven thousand, three hundred ninety-five".