3687823 has 2 divisors, whose sum is σ = 3687824. Its totient is φ = 3687822.

The previous prime is 3687787. The next prime is 3687833. The reversal of 3687823 is 3287863.

3687823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3687823 - 2²¹ = 1590671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3687833) 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, 1843911 + 1843912.

It is an arithmetic number, because the mean of its divisors is an integer number (1843912).

Almost surely, 2^3687823 is an apocalyptic number.

3687823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3687823 is an equidigital number, since it uses as much as digits as its factorization.

3687823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 3687823 is about 1920.3705371620. The cubic root of 3687823 is about 154.4981758808.

The spelling of 3687823 in words is "three million, six hundred eighty-seven thousand, eight hundred twenty-three".