2133888 has 32 divisors (see below), whose sum is σ = 5669160. Its totient is φ = 711168.

The previous prime is 2133839. The next prime is 2133899. The reversal of 2133888 is 8883312.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2395 + ... + 3162.

2^2133888 is an apocalyptic number.

It is an amenable number.

2133888 is an abundant number, since it is smaller than the sum of its proper divisors (3535272).

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

2133888 is an equidigital number, since it uses as much as digits as its factorization.

2133888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574 (or 5562 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 2133888 is about 1460.7833514933. The cubic root of 2133888 is about 128.7430737469.

The spelling of 2133888 in words is "two million, one hundred thirty-three thousand, eight hundred eighty-eight".