387799 has 2 divisors, whose sum is σ = 387800. Its totient is φ = 387798.

The previous prime is 387791. The next prime is 387839. The reversal of 387799 is 997783.

It is a weak prime.

It is an emirp because it is prime and its reverse (997783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 387799 - 2³ = 387791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387791) 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, 193899 + 193900.

It is an arithmetic number, because the mean of its divisors is an integer number (193900).

2³⁸⁷⁷⁹⁹ is an apocalyptic number.

387799 is a deficient number, since it is larger than the sum of its proper divisors (1).

387799 is an equidigital number, since it uses as much as digits as its factorization.

387799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 43.

The square root of 387799 is about 622.7350961685. The cubic root of 387799 is about 72.9237334466.

The spelling of 387799 in words is "three hundred eighty-seven thousand, seven hundred ninety-nine".