386881 has 4 divisors (see below), whose sum is σ = 422064. Its totient is φ = 351700.

The previous prime is 386851. The next prime is 386887. The reversal of 386881 is 188683.

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.

It is a cyclic number.

It is not a de Polignac number, because 386881 - 2⁹ = 386369 is a prime.

It is a super-2 number, since 2×386881² = 299353816322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386887) 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, 17575 + ... + 17596.

It is an arithmetic number, because the mean of its divisors is an integer number (105516).

2³⁸⁶⁸⁸¹ is an apocalyptic number.

It is an amenable number.

386881 is a deficient number, since it is larger than the sum of its proper divisors (35183).

386881 is a wasteful number, since it uses less digits than its factorization.

386881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35182.

The product of its digits is 9216, while the sum is 34.

The square root of 386881 is about 621.9975884198. The cubic root of 386881 is about 72.8661461567.

The spelling of 386881 in words is "three hundred eighty-six thousand, eight hundred eighty-one".