386642 has 8 divisors (see below), whose sum is σ = 586236. Its totient is φ = 191232.

The previous prime is 386641. The next prime is 386647. The reversal of 386642 is 246683.

386642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 383161 + 3481 = 619^2 + 59^2 .

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

It is not an unprimeable number, because it can be changed into a prime (386641) 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, 803 + ... + 1190.

2³⁸⁶⁶⁴² is an apocalyptic number.

386642 is a deficient number, since it is larger than the sum of its proper divisors (199594).

386642 is a wasteful number, since it uses less digits than its factorization.

386642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092.

The product of its digits is 6912, while the sum is 29.

The square root of 386642 is about 621.8054358077. The cubic root of 386642 is about 72.8511384444.

The spelling of 386642 in words is "three hundred eighty-six thousand, six hundred forty-two".