2856193 has 4 divisors (see below), whose sum is σ = 2878128. Its totient is φ = 2834260.

The previous prime is 2856173. The next prime is 2856197. The reversal of 2856193 is 3916582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2856193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2856197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10771 + ... + 11032.

It is an arithmetic number, because the mean of its divisors is an integer number (719532).

2^2856193 is an apocalyptic number.

It is an amenable number.

2856193 is a deficient number, since it is larger than the sum of its proper divisors (21935).

2856193 is a wasteful number, since it uses less digits than its factorization.

2856193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21934.

The product of its digits is 12960, while the sum is 34.

The square root of 2856193 is about 1690.0275145689. The cubic root of 2856193 is about 141.8826147530.

The spelling of 2856193 in words is "two million, eight hundred fifty-six thousand, one hundred ninety-three".