381199 has 16 divisors (see below), whose sum is σ = 483840. Its totient is φ = 292320.

The previous prime is 381181. The next prime is 381209. The reversal of 381199 is 991183.

It is not a de Polignac number, because 381199 - 2⁵ = 381167 is a prime.

381199 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 381199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5334 + ... + 5404.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2³⁸¹¹⁹⁹ is an apocalyptic number.

381199 is a deficient number, since it is larger than the sum of its proper divisors (102641).

381199 is a wasteful number, since it uses less digits than its factorization.

381199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150.

The product of its digits is 1944, while the sum is 31.

The square root of 381199 is about 617.4131517874. The cubic root of 381199 is about 72.5076646673.

The spelling of 381199 in words is "three hundred eighty-one thousand, one hundred ninety-nine".