2106648 has 40 divisors (see below), whose sum is σ = 5902380. Its totient is φ = 702000.

The previous prime is 2106631. The next prime is 2106653. The reversal of 2106648 is 8466012.

2106648 is a `hidden beast` number, since 2 + 10 + 6 + 648 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 978 + ... + 2273.

2^2106648 is an apocalyptic number.

It is an amenable number.

2106648 is an abundant number, since it is smaller than the sum of its proper divisors (3795732).

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

2106648 is a wasteful number, since it uses less digits than its factorization.

2106648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269 (or 3256 counting only the distinct ones).

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

The square root of 2106648 is about 1451.4296400446. The cubic root of 2106648 is about 128.1929057449.

The spelling of 2106648 in words is "two million, one hundred six thousand, six hundred forty-eight".