2061648 has 60 divisors (see below), whose sum is σ = 5867680. Its totient is φ = 675648.

The previous prime is 2061629. The next prime is 2061649. The reversal of 2061648 is 8461602.

2061648 is a `hidden beast` number, since 2 + 0 + 616 + 48 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14763 + ... + 14901.

2^2061648 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 2061648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2933840).

2061648 is an abundant number, since it is smaller than the sum of its proper divisors (3806032).

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

2061648 is a wasteful number, since it uses less digits than its factorization.

2061648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2061648 is about 1435.8440026688. The cubic root of 2061648 is about 127.2735542309.

The spelling of 2061648 in words is "two million, sixty-one thousand, six hundred forty-eight".