380217 has 4 divisors (see below), whose sum is σ = 506960. Its totient is φ = 253476.

The previous prime is 380207. The next prime is 380231. The reversal of 380217 is 712083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 712083 = 3 ⋅237361.

It is not a de Polignac number, because 380217 - 2⁴ = 380201 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 380193 and 380202.

It is not an unprimeable number, because it can be changed into a prime (380207) 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, 63367 + ... + 63372.

It is an arithmetic number, because the mean of its divisors is an integer number (126740).

2³⁸⁰²¹⁷ is an apocalyptic number.

It is an amenable number.

380217 is a deficient number, since it is larger than the sum of its proper divisors (126743).

380217 is a wasteful number, since it uses less digits than its factorization.

380217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126742.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 380217 is about 616.6173854182. The cubic root of 380217 is about 72.4453492226.

The spelling of 380217 in words is "three hundred eighty thousand, two hundred seventeen".