2856057 has 8 divisors (see below), whose sum is σ = 3830784. Its totient is φ = 1892688.

The previous prime is 2856037. The next prime is 2856059. The reversal of 2856057 is 7506582.

It is a happy number.

2856057 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

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

It is not a de Polignac number, because 2856057 - 2¹⁰ = 2855033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2856059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2233 + ... + 3270.

It is an arithmetic number, because the mean of its divisors is an integer number (478848).

2^2856057 is an apocalyptic number.

It is an amenable number.

2856057 is a deficient number, since it is larger than the sum of its proper divisors (974727).

2856057 is a wasteful number, since it uses less digits than its factorization.

2856057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5679.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 2856057 is about 1689.9872780586. The cubic root of 2856057 is about 141.8803627644.

The spelling of 2856057 in words is "two million, eight hundred fifty-six thousand, fifty-seven".