2387841 has 4 divisors (see below), whose sum is σ = 3183792. Its totient is φ = 1591892.

The previous prime is 2387839. The next prime is 2387843. The reversal of 2387841 is 1487832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2387839) and next prime (2387843).

It is a cyclic number.

It is not a de Polignac number, because 2387841 - 2¹ = 2387839 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2387843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397971 + ... + 397976.

It is an arithmetic number, because the mean of its divisors is an integer number (795948).

2^2387841 is an apocalyptic number.

It is an amenable number.

2387841 is a deficient number, since it is larger than the sum of its proper divisors (795951).

2387841 is an equidigital number, since it uses as much as digits as its factorization.

2387841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795950.

The product of its digits is 10752, while the sum is 33.

The square root of 2387841 is about 1545.2640551051. The cubic root of 2387841 is about 133.6601061312.

Subtracting from 2387841 its reverse (1487832), we obtain a palindrome (900009).

The spelling of 2387841 in words is "two million, three hundred eighty-seven thousand, eight hundred forty-one".