386906 has 16 divisors (see below), whose sum is σ = 653184. Its totient is φ = 170544.

The previous prime is 386891. The next prime is 386921. The reversal of 386906 is 609683.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (386891) and next prime (386921).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275 + ... + 921.

It is an arithmetic number, because the mean of its divisors is an integer number (40824).

2³⁸⁶⁹⁰⁶ is an apocalyptic number.

386906 is a deficient number, since it is larger than the sum of its proper divisors (266278).

386906 is a wasteful number, since it uses less digits than its factorization.

386906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 386906 is about 622.0176846361. The cubic root of 386906 is about 72.8677156440.

The spelling of 386906 in words is "three hundred eighty-six thousand, nine hundred six".