2101648 has 20 divisors (see below), whose sum is σ = 4249728. Its totient is φ = 1004960.

The previous prime is 2101621. The next prime is 2101651. The reversal of 2101648 is 8461012.

2101648 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2488 + ... + 3223.

2^2101648 is an apocalyptic number.

It is an amenable number.

2101648 is an abundant number, since it is smaller than the sum of its proper divisors (2148080).

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

2101648 is a wasteful number, since it uses less digits than its factorization.

2101648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742 (or 5736 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2101648 is about 1449.7061771269. The cubic root of 2101648 is about 128.0914060647.

The spelling of 2101648 in words is "two million, one hundred one thousand, six hundred forty-eight".