386442 has 24 divisors (see below), whose sum is σ = 957216. Its totient is φ = 110376.

The previous prime is 386437. The next prime is 386471. The reversal of 386442 is 244683.

It is a congruent number.

It is an unprimeable number.

386442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1408 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (39884).

2³⁸⁶⁴⁴² is an apocalyptic number.

386442 is an abundant number, since it is smaller than the sum of its proper divisors (570774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386442 is a wasteful number, since it uses less digits than its factorization.

386442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082 (or 3079 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 386442 is about 621.6445929951. The cubic root of 386442 is about 72.8385749355.

It can be divided in two parts, 386 and 442, that added together give a palindrome (828).

The spelling of 386442 in words is "three hundred eighty-six thousand, four hundred forty-two".