386432 has 16 divisors (see below), whose sum is σ = 770100. Its totient is φ = 193152.

The previous prime is 386431. The next prime is 386437. The reversal of 386432 is 234683.

It is a tau number, because it is divible by the number of its divisors (16).

It is an Ulam number.

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 as a sum of consecutive naturals, namely, 1382 + ... + 1637.

2³⁸⁶⁴³² is an apocalyptic number.

386432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

386432 is a deficient number, since it is larger than the sum of its proper divisors (383668).

386432 is an equidigital number, since it uses as much as digits as its factorization.

386432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033 (or 3021 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 386432 is about 621.6365497620. The cubic root of 386432 is about 72.8379466462.

It can be divided in two parts, 386 and 432, that added together give a palindrome (818).

The spelling of 386432 in words is "three hundred eighty-six thousand, four hundred thirty-two".