2056771 has 8 divisors (see below), whose sum is σ = 2117664. Its totient is φ = 1996800.

The previous prime is 2056763. The next prime is 2056777. The reversal of 2056771 is 1776502.

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 2056771 - 2³ = 2056763 is a prime.

It is a super-4 number, since 4×2056771⁴ (a number of 26 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056777) 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, 7875 + ... + 8131.

It is an arithmetic number, because the mean of its divisors is an integer number (264708).

2^2056771 is an apocalyptic number.

2056771 is a deficient number, since it is larger than the sum of its proper divisors (60893).

2056771 is a wasteful number, since it uses less digits than its factorization.

2056771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 2056771 is about 1434.1446928396. The cubic root of 2056771 is about 127.1731162612.

The spelling of 2056771 in words is "two million, fifty-six thousand, seven hundred seventy-one".