386140 has 24 divisors (see below), whose sum is σ = 831600. Its totient is φ = 150528.

The previous prime is 386131. The next prime is 386143. The reversal of 386140 is 41683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386143) 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, 636 + ... + 1084.

It is an arithmetic number, because the mean of its divisors is an integer number (34650).

2³⁸⁶¹⁴⁰ 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 386140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415800).

386140 is an abundant number, since it is smaller than the sum of its proper divisors (445460).

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

386140 is a wasteful number, since it uses less digits than its factorization.

386140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 386140 is about 621.4016414526. The cubic root of 386140 is about 72.8195958197.

The spelling of 386140 in words is "three hundred eighty-six thousand, one hundred forty".