2056663 has 8 divisors (see below), whose sum is σ = 2374560. Its totient is φ = 1744800.

The previous prime is 2056661. The next prime is 2056667. The reversal of 2056663 is 3666502.

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 2056663 - 2¹ = 2056661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748 + ... + 2161.

It is an arithmetic number, because the mean of its divisors is an integer number (296820).

2^2056663 is an apocalyptic number.

2056663 is a deficient number, since it is larger than the sum of its proper divisors (317897).

2056663 is a wasteful number, since it uses less digits than its factorization.

2056663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2056663 is about 1434.1070392408. The cubic root of 2056663 is about 127.1708902904.

The spelling of 2056663 in words is "two million, fifty-six thousand, six hundred sixty-three".