386992 has 30 divisors (see below), whose sum is σ = 803148. Its totient is φ = 180576.

The previous prime is 386989. The next prime is 386993. The reversal of 386992 is 299683.

It is not an unprimeable number, because it can be changed into a prime (386993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5743 + ... + 5809.

2³⁸⁶⁹⁹² 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 386992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401574).

386992 is an abundant number, since it is smaller than the sum of its proper divisors (416156).

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

386992 is a wasteful number, since it uses less digits than its factorization.

386992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 88 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 386992 is about 622.0868106623. The cubic root of 386992 is about 72.8731141640.

It can be divided in two parts, 386 and 992, that added together give a triangular number (1378 = T₅₂).

The spelling of 386992 in words is "three hundred eighty-six thousand, nine hundred ninety-two".