2533856 has 24 divisors (see below), whose sum is σ = 5373144. Its totient is φ = 1169280.

The previous prime is 2533837. The next prime is 2533913. The reversal of 2533856 is 6583352.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a d-powerful number, because it can be written as 2²¹ + 5⁷ + 3 + 3 + 8³ + 5⁷ + 6⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2630 + ... + 3461.

It is an arithmetic number, because the mean of its divisors is an integer number (223881).

2^2533856 is an apocalyptic number.

2533856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2533856 is an abundant number, since it is smaller than the sum of its proper divisors (2839288).

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

2533856 is a wasteful number, since it uses less digits than its factorization.

2533856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6114 (or 6106 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 2533856 is about 1591.8090337726. The cubic root of 2533856 is about 136.3307979647.

It can be divided in two parts, 25 and 33856, that multiplied together give a square (846400 = 920²).

The spelling of 2533856 in words is "two million, five hundred thirty-three thousand, eight hundred fifty-six".