2319887 has 2 divisors, whose sum is σ = 2319888. Its totient is φ = 2319886.

The previous prime is 2319883. The next prime is 2319901. The reversal of 2319887 is 7889132.

2319887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2319887 - 2² = 2319883 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2319887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2319883) 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, 1159943 + 1159944.

It is an arithmetic number, because the mean of its divisors is an integer number (1159944).

2^2319887 is an apocalyptic number.

2319887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2319887 is an equidigital number, since it uses as much as digits as its factorization.

2319887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 2319887 is about 1523.1175266538. The cubic root of 2319887 is about 132.3799696182.

The spelling of 2319887 in words is "two million, three hundred nineteen thousand, eight hundred eighty-seven".