2056947 has 4 divisors (see below), whose sum is σ = 2742600. Its totient is φ = 1371296.

The previous prime is 2056933. The next prime is 2056961. The reversal of 2056947 is 7496502.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2056933) and next prime (2056961).

It is a cyclic number.

It is not a de Polignac number, because 2056947 - 2¹⁵ = 2024179 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2056907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342822 + ... + 342827.

It is an arithmetic number, because the mean of its divisors is an integer number (685650).

2^2056947 is an apocalyptic number.

2056947 is a deficient number, since it is larger than the sum of its proper divisors (685653).

2056947 is an equidigital number, since it uses as much as digits as its factorization.

2056947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685652.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2056947 is about 1434.2060521417. The cubic root of 2056947 is about 127.1767436023.

It can be divided in two parts, 2056 and 947, that added together give a palindrome (3003).

The spelling of 2056947 in words is "two million, fifty-six thousand, nine hundred forty-seven".