2705648 has 20 divisors (see below), whose sum is σ = 5719128. Its totient is φ = 1229760.

The previous prime is 2705641. The next prime is 2705663. The reversal of 2705648 is 8465072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2705641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7511 + ... + 7862.

2^2705648 is an apocalyptic number.

It is an amenable number.

2705648 is an abundant number, since it is smaller than the sum of its proper divisors (3013480).

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

2705648 is a wasteful number, since it uses less digits than its factorization.

2705648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15392 (or 15386 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2705648 is about 1644.8854063429. The cubic root of 2705648 is about 139.3446925460.

The spelling of 2705648 in words is "two million, seven hundred five thousand, six hundred forty-eight".