2857057 has 8 divisors (see below), whose sum is σ = 3319232. Its totient is φ = 2408400.

The previous prime is 2857039. The next prime is 2857061. The reversal of 2857057 is 7507582.

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

It is a cyclic number.

It is not a de Polignac number, because 2857057 - 2¹¹ = 2855009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2857067) 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, 2919 + ... + 3772.

It is an arithmetic number, because the mean of its divisors is an integer number (414904).

2^2857057 is an apocalyptic number.

It is an amenable number.

2857057 is a deficient number, since it is larger than the sum of its proper divisors (462175).

2857057 is an equidigital number, since it uses as much as digits as its factorization.

2857057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6759.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 2857057 is about 1690.2831123809. The cubic root of 2857057 is about 141.8969198344.

The spelling of 2857057 in words is "two million, eight hundred fifty-seven thousand, fifty-seven".