3791863 has 2 divisors, whose sum is σ = 3791864. Its totient is φ = 3791862.

The previous prime is 3791861. The next prime is 3791873. The reversal of 3791863 is 3681973.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3791863 - 2¹ = 3791861 is a prime.

Together with 3791861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3791861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1895931 + 1895932.

It is an arithmetic number, because the mean of its divisors is an integer number (1895932).

Almost surely, 2^3791863 is an apocalyptic number.

3791863 is a deficient number, since it is larger than the sum of its proper divisors (1).

3791863 is an equidigital number, since it uses as much as digits as its factorization.

3791863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 3791863 is about 1947.2706540181. The cubic root of 3791863 is about 155.9376120242.

The spelling of 3791863 in words is "three million, seven hundred ninety-one thousand, eight hundred sixty-three".