386724 has 48 divisors (see below), whose sum is σ = 1012928. Its totient is φ = 114048.

The previous prime is 386723. The next prime is 386731. The reversal of 386724 is 427683.

386724 is nontrivially palindromic in base 5.

It is a d-powerful number, because it can be written as 3⁵ + 8⁵ + 7² + 6⁷ + 2¹³ + 4⁸ .

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 386691 and 386700.

It is not an unprimeable number, because it can be changed into a prime (386723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5739 + ... + 5805.

2³⁸⁶⁷²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506464).

386724 is an abundant number, since it is smaller than the sum of its proper divisors (626204).

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

386724 is a wasteful number, since it uses less digits than its factorization.

386724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 122 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 386724 is about 621.8713693361. The cubic root of 386724 is about 72.8562882308.

The spelling of 386724 in words is "three hundred eighty-six thousand, seven hundred twenty-four".