2381889 has 8 divisors (see below), whose sum is σ = 3229920. Its totient is φ = 1560896.

The previous prime is 2381881. The next prime is 2381891. The reversal of 2381889 is 9881832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2381889 - 2³ = 2381881 is a prime.

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

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 7 ways as a sum of consecutive naturals, for example, 6552 + ... + 6905.

It is an arithmetic number, because the mean of its divisors is an integer number (403740).

2^2381889 is an apocalyptic number.

It is an amenable number.

2381889 is a deficient number, since it is larger than the sum of its proper divisors (848031).

2381889 is a wasteful number, since it uses less digits than its factorization.

2381889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13519.

The product of its digits is 27648, while the sum is 39.

The square root of 2381889 is about 1543.3369690382. The cubic root of 2381889 is about 133.5489587435.

The spelling of 2381889 in words is "two million, three hundred eighty-one thousand, eight hundred eighty-nine".