2856049 has 8 divisors (see below), whose sum is σ = 3333888. Its totient is φ = 2395680.

The previous prime is 2856037. The next prime is 2856059. The reversal of 2856049 is 9406582.

It is a happy number.

2856049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2856049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2856059) 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 7 ways as a sum of consecutive naturals, for example, 4012 + ... + 4669.

It is an arithmetic number, because the mean of its divisors is an integer number (416736).

2^2856049 is an apocalyptic number.

It is an amenable number.

2856049 is a deficient number, since it is larger than the sum of its proper divisors (477839).

2856049 is an equidigital number, since it uses as much as digits as its factorization.

2856049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8735.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2856049 is about 1689.9849111752. The cubic root of 2856049 is about 141.8802302923.

The spelling of 2856049 in words is "two million, eight hundred fifty-six thousand, forty-nine".