2733856 has 24 divisors (see below), whose sum is σ = 5530140. Its totient is φ = 1329408.

The previous prime is 2733851. The next prime is 2733869. The reversal of 2733856 is 6583372.

It can be written as a sum of positive squares in 2 ways, for example, as 2298256 + 435600 = 1516^2 + 660^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2² + 7⁷ + 3⁸ + 3¹³ + 8⁶ + 5⁴ + 6⁶ .

It is not an unprimeable number, because it can be changed into a prime (2733851) 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, 30 + ... + 2338.

2^2733856 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 2733856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2765070).

2733856 is an abundant number, since it is smaller than the sum of its proper divisors (2796284).

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

2733856 is a wasteful number, since it uses less digits than its factorization.

2733856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356 (or 2348 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 2733856 is about 1653.4376311189. The cubic root of 2733856 is about 139.8272699690.

The spelling of 2733856 in words is "two million, seven hundred thirty-three thousand, eight hundred fifty-six".