386438 has 16 divisors (see below), whose sum is σ = 635040. Its totient is φ = 175296.

The previous prime is 386437. The next prime is 386471. The reversal of 386438 is 834683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2231 + ... + 2397.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2³⁸⁶⁴³⁸ is an apocalyptic number.

386438 is a deficient number, since it is larger than the sum of its proper divisors (248602).

386438 is a wasteful number, since it uses less digits than its factorization.

386438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its digits is 13824, while the sum is 32.

The square root of 386438 is about 621.6413757143. The cubic root of 386438 is about 72.8383236211.

The spelling of 386438 in words is "three hundred eighty-six thousand, four hundred thirty-eight".