2533888 has 60 divisors (see below), whose sum is σ = 5947722. Its totient is φ = 1075200.

The previous prime is 2533837. The next prime is 2533913. The reversal of 2533888 is 8883352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1517824 + 1016064 = 1232^2 + 1008^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25038 + ... + 25138.

2^2533888 is an apocalyptic number.

2533888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2533888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2973861).

2533888 is an abundant number, since it is smaller than the sum of its proper divisors (3413834).

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

2533888 is an equidigital number, since it uses as much as digits as its factorization.

2533888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 110 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 2533888 is about 1591.8190851978. The cubic root of 2533888 is about 136.3313718683.

The spelling of 2533888 in words is "two million, five hundred thirty-three thousand, eight hundred eighty-eight".