380517 has 4 divisors (see below), whose sum is σ = 507360. Its totient is φ = 253676.

The previous prime is 380503. The next prime is 380533. The reversal of 380517 is 715083.

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: 715083 = 3 ⋅238361.

It is a cyclic number.

It is not a de Polignac number, because 380517 - 2⁶ = 380453 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380557) 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, 63417 + ... + 63422.

It is an arithmetic number, because the mean of its divisors is an integer number (126840).

2³⁸⁰⁵¹⁷ is an apocalyptic number.

It is an amenable number.

380517 is a deficient number, since it is larger than the sum of its proper divisors (126843).

380517 is a wasteful number, since it uses less digits than its factorization.

380517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126842.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 380517 is about 616.8606001359. The cubic root of 380517 is about 72.4643978985.

The spelling of 380517 in words is "three hundred eighty thousand, five hundred seventeen".