380847 has 4 divisors (see below), whose sum is σ = 507800. Its totient is φ = 253896.

The previous prime is 380843. The next prime is 380867. The reversal of 380847 is 748083.

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

It is not a de Polignac number, because 380847 - 2² = 380843 is a prime.

It is a D-number.

It is a Duffinian number.

380847 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 380847.

It is not an unprimeable number, because it can be changed into a prime (380843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63472 + ... + 63477.

It is an arithmetic number, because the mean of its divisors is an integer number (126950).

2³⁸⁰⁸⁴⁷ is an apocalyptic number.

380847 is a deficient number, since it is larger than the sum of its proper divisors (126953).

380847 is a wasteful number, since it uses less digits than its factorization.

380847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126952.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 380847 is about 617.1280256154. The cubic root of 380847 is about 72.4853398816.

Subtracting 380847 from its reverse (748083), we obtain a square (367236 = 606²).

The spelling of 380847 in words is "three hundred eighty thousand, eight hundred forty-seven".