380199 has 4 divisors (see below), whose sum is σ = 506936. Its totient is φ = 253464.

The previous prime is 380197. The next prime is 380201. The reversal of 380199 is 991083.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (380197) and next prime (380201).

It is not a de Polignac number, because 380199 - 2¹ = 380197 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380197) 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 in 3 ways as a sum of consecutive naturals, for example, 63364 + ... + 63369.

It is an arithmetic number, because the mean of its divisors is an integer number (126734).

2³⁸⁰¹⁹⁹ is an apocalyptic number.

380199 is a deficient number, since it is larger than the sum of its proper divisors (126737).

380199 is a wasteful number, since it uses less digits than its factorization.

380199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126736.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 380199 is about 616.6027894844. The cubic root of 380199 is about 72.4442059835. Note that the first 3 decimals are identical.

The spelling of 380199 in words is "three hundred eighty thousand, one hundred ninety-nine".