2753856 has 84 divisors (see below), whose sum is σ = 9034272. Its totient is φ = 785664.

The previous prime is 2753851. The next prime is 2753867. The reversal of 2753856 is 6583572.

2753856 is a `hidden beast` number, since 275 + 385 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2¹⁶ + 7³ + 5⁶ + 3¹¹ + 8⁶ + 5⁹ + 6⁷ .

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 2753856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2753851) 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, 3691 + ... + 4373.

2^2753856 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 2753856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4517136).

2753856 is an abundant number, since it is smaller than the sum of its proper divisors (6280416).

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

2753856 is a wasteful number, since it uses less digits than its factorization.

2753856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 695 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 2753856 is about 1659.4746156540. The cubic root of 2753856 is about 140.1674187604.

The spelling of 2753856 in words is "two million, seven hundred fifty-three thousand, eight hundred fifty-six".