2859648 has 64 divisors (see below), whose sum is σ = 8298720. Its totient is φ = 865280.

The previous prime is 2859641. The next prime is 2859673. The reversal of 2859648 is 8469582.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (2859641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3886 + ... + 4562.

2^2859648 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 2859648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4149360).

2859648 is an abundant number, since it is smaller than the sum of its proper divisors (5439072).

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

2859648 is a wasteful number, since it uses less digits than its factorization.

2859648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 693 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 2859648 is about 1691.0493783447. The cubic root of 2859648 is about 141.9398012372.

The spelling of 2859648 in words is "two million, eight hundred fifty-nine thousand, six hundred forty-eight".