378199 has 4 divisors (see below), whose sum is σ = 400464. Its totient is φ = 355936.

The previous prime is 378193. The next prime is 378223. The reversal of 378199 is 991873.

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

It is a cyclic number.

It is not a de Polignac number, because 378199 - 2⁵ = 378167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378193) 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, 11107 + ... + 11140.

It is an arithmetic number, because the mean of its divisors is an integer number (100116).

2³⁷⁸¹⁹⁹ is an apocalyptic number.

378199 is a deficient number, since it is larger than the sum of its proper divisors (22265).

378199 is a wasteful number, since it uses less digits than its factorization.

378199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22264.

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

The square root of 378199 is about 614.9788614253. The cubic root of 378199 is about 72.3169540144.

The spelling of 378199 in words is "three hundred seventy-eight thousand, one hundred ninety-nine".