380827 has 4 divisors (see below), whose sum is σ = 382720. Its totient is φ = 378936.

The previous prime is 380819. The next prime is 380837. The reversal of 380827 is 728083.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 728083 = 383 ⋅1901.

It is a cyclic number.

It is not a de Polignac number, because 380827 - 2³ = 380819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 380795 and 380804.

It is not an unprimeable number, because it can be changed into a prime (380837) 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 in 3 ways as a sum of consecutive naturals, for example, 603 + ... + 1060.

It is an arithmetic number, because the mean of its divisors is an integer number (95680).

2³⁸⁰⁸²⁷ is an apocalyptic number.

380827 is a deficient number, since it is larger than the sum of its proper divisors (1893).

380827 is a wasteful number, since it uses less digits than its factorization.

380827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 380827 is about 617.1118213096. Note that the first 3 decimals coincide. The cubic root of 380827 is about 72.4840710150.

The spelling of 380827 in words is "three hundred eighty thousand, eight hundred twenty-seven".