387199 has 2 divisors, whose sum is σ = 387200. Its totient is φ = 387198.

The previous prime is 387197. The next prime is 387203. The reversal of 387199 is 991783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 387199 - 2¹ = 387197 is a prime.

Together with 387197, it forms a pair of twin primes.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387197) 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, 193599 + 193600.

It is an arithmetic number, because the mean of its divisors is an integer number (193600).

2³⁸⁷¹⁹⁹ is an apocalyptic number.

387199 is a deficient number, since it is larger than the sum of its proper divisors (1).

387199 is an equidigital number, since it uses as much as digits as its factorization.

387199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 37.

The square root of 387199 is about 622.2531639132. The cubic root of 387199 is about 72.8861049974.

The spelling of 387199 in words is "three hundred eighty-seven thousand, one hundred ninety-nine".