380686 has 8 divisors (see below), whose sum is σ = 575784. Its totient is φ = 188760.

The previous prime is 380657. The next prime is 380707. The reversal of 380686 is 686083.

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

It is a congruent number.

It is an unprimeable number.

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, 465 + ... + 988.

It is an arithmetic number, because the mean of its divisors is an integer number (71973).

2³⁸⁰⁶⁸⁶ is an apocalyptic number.

380686 is a deficient number, since it is larger than the sum of its proper divisors (195098).

380686 is a wasteful number, since it uses less digits than its factorization.

380686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 380686 is about 616.9975688769. The cubic root of 380686 is about 72.4751242442.

The spelling of 380686 in words is "three hundred eighty thousand, six hundred eighty-six".