2857995 has 48 divisors (see below), whose sum is σ = 5820672. Its totient is φ = 1270080.

The previous prime is 2857993. The next prime is 2858029. The reversal of 2857995 is 5997582.

It is a happy number.

2857995 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 2857995 - 2¹ = 2857993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2857995.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857993) 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 47 ways as a sum of consecutive naturals, for example, 13440 + ... + 13650.

It is an arithmetic number, because the mean of its divisors is an integer number (121264).

2^2857995 is an apocalyptic number.

2857995 is an abundant number, since it is smaller than the sum of its proper divisors (2962677).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2857995 is a wasteful number, since it uses less digits than its factorization.

2857995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 269 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 2857995 is about 1690.5605579215. The cubic root of 2857995 is about 141.9124468549.

The spelling of 2857995 in words is "two million, eight hundred fifty-seven thousand, nine hundred ninety-five".