2056424 has 8 divisors (see below), whose sum is σ = 3855810. Its totient is φ = 1028208.

The previous prime is 2056421. The next prime is 2056441. The reversal of 2056424 is 4246502.

It can be written as a sum of positive squares in only one way, i.e., 1036324 + 1020100 = 1018^2 + 1010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2056424.

It is not an unprimeable number, because it can be changed into a prime (2056421) 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 as a sum of consecutive naturals, namely, 128519 + ... + 128534.

2^2056424 is an apocalyptic number.

It is an amenable number.

2056424 is a deficient number, since it is larger than the sum of its proper divisors (1799386).

2056424 is a wasteful number, since it uses less digits than its factorization.

2056424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257059 (or 257055 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2056424 is about 1434.0237097064. The cubic root of 2056424 is about 127.1659640222.

The spelling of 2056424 in words is "two million, fifty-six thousand, four hundred twenty-four".