2857066 has 8 divisors (see below), whose sum is σ = 4401540. Its totient is φ = 1389888.

The previous prime is 2857061. The next prime is 2857067. The reversal of 2857066 is 6607582.

2857066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2819041 + 38025 = 1679^2 + 195^2 .

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

It is a super-2 number, since 2×2857066² = 16325652256712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2857061) 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 3 ways as a sum of consecutive naturals, for example, 19231 + ... + 19378.

2^2857066 is an apocalyptic number.

2857066 is a deficient number, since it is larger than the sum of its proper divisors (1544474).

2857066 is a wasteful number, since it uses less digits than its factorization.

2857066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38648.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2857066 is about 1690.2857746547. The cubic root of 2857066 is about 141.8970688305.

The spelling of 2857066 in words is "two million, eight hundred fifty-seven thousand, sixty-six".