2381888 has 14 divisors (see below), whose sum is σ = 4726686. Its totient is φ = 1190912.

The previous prime is 2381881. The next prime is 2381891. The reversal of 2381888 is 8881832.

It can be written as a sum of positive squares in only one way, i.e., 1982464 + 399424 = 1408^2 + 632^2 .

It is not an unprimeable number, because it can be changed into a prime (2381881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18545 + ... + 18672.

2^2381888 is an apocalyptic number.

It is an amenable number.

2381888 is a deficient number, since it is larger than the sum of its proper divisors (2344798).

2381888 is an equidigital number, since it uses as much as digits as its factorization.

2381888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37229 (or 37219 counting only the distinct ones).

The product of its digits is 24576, while the sum is 38.

The square root of 2381888 is about 1543.3366450648. The cubic root of 2381888 is about 133.5489400540.

The spelling of 2381888 in words is "two million, three hundred eighty-one thousand, eight hundred eighty-eight".