381827 has 8 divisors (see below), whose sum is σ = 401280. Its totient is φ = 362880.

The previous prime is 381817. The next prime is 381841. The reversal of 381827 is 728183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 381827 - 2¹⁰ = 380803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 381827.

It is not an unprimeable number, because it can be changed into a prime (381817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3323 + ... + 3435.

It is an arithmetic number, because the mean of its divisors is an integer number (50160).

2³⁸¹⁸²⁷ is an apocalyptic number.

381827 is a deficient number, since it is larger than the sum of its proper divisors (19453).

381827 is a wasteful number, since it uses less digits than its factorization.

381827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253.

The product of its digits is 2688, while the sum is 29.

The square root of 381827 is about 617.9215160520. The cubic root of 381827 is about 72.5474600070.

The spelling of 381827 in words is "three hundred eighty-one thousand, eight hundred twenty-seven".