2321888 has 12 divisors (see below), whose sum is σ = 4571280. Its totient is φ = 1160928.

The previous prime is 2321887. The next prime is 2321899. The reversal of 2321888 is 8881232.

2321888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 72559 = 2321888 / (2 + 3 + 2 + 1 + 8 + 8 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36248 + ... + 36311.

It is an arithmetic number, because the mean of its divisors is an integer number (380940).

2^2321888 is an apocalyptic number.

It is an amenable number.

2321888 is a deficient number, since it is larger than the sum of its proper divisors (2249392).

2321888 is an equidigital number, since it uses as much as digits as its factorization.

2321888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72569 (or 72561 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 2321888 is about 1523.7742614968. The cubic root of 2321888 is about 132.4180197755.

The spelling of 2321888 in words is "two million, three hundred twenty-one thousand, eight hundred eighty-eight".