2387867 has 2 divisors, whose sum is σ = 2387868. Its totient is φ = 2387866.

The previous prime is 2387857. The next prime is 2387873. The reversal of 2387867 is 7687832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2387867 - 2⁴ = 2387851 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 3⁶ + 8⁵ + 7² + 8⁵ + 6⁸ + 7⁶ .

It is not a weakly prime, because it can be changed into another prime (2387807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1193933 + 1193934.

It is an arithmetic number, because the mean of its divisors is an integer number (1193934).

2^2387867 is an apocalyptic number.

2387867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2387867 is an equidigital number, since it uses as much as digits as its factorization.

2387867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 2387867 is about 1545.2724678839. The cubic root of 2387867 is about 133.6605912487.

The spelling of 2387867 in words is "two million, three hundred eighty-seven thousand, eight hundred sixty-seven".