2063556 has 72 divisors (see below), whose sum is σ = 5931744. Its totient is φ = 622080.

The previous prime is 2063549. The next prime is 2063557. The reversal of 2063556 is 6553602.

2063556 is a `hidden beast` number, since 20 + 635 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2063557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10596 + ... + 10788.

2^2063556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2063556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2965872).

2063556 is an abundant number, since it is smaller than the sum of its proper divisors (3868188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2063556 is a wasteful number, since it uses less digits than its factorization.

2063556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2063556 is about 1436.5082665965. The cubic root of 2063556 is about 127.3128048800.

The spelling of 2063556 in words is "two million, sixty-three thousand, five hundred fifty-six".