2056942 has 4 divisors (see below), whose sum is σ = 3085416. Its totient is φ = 1028470.

The previous prime is 2056933. The next prime is 2056961. The reversal of 2056942 is 2496502.

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

It is a d-powerful number, because it can be written as 2⁷ + 0 + 5⁹ + 6⁵ + 9⁵ + 4⁶ + 2¹⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 2056942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514234 + ... + 514237.

It is an arithmetic number, because the mean of its divisors is an integer number (771354).

2^2056942 is an apocalyptic number.

2056942 is a deficient number, since it is larger than the sum of its proper divisors (1028474).

2056942 is a wasteful number, since it uses less digits than its factorization.

2056942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028473.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2056942 is about 1434.2043090160. The cubic root of 2056942 is about 127.1766405557.

The spelling of 2056942 in words is "two million, fifty-six thousand, nine hundred forty-two".