386986 has 4 divisors (see below), whose sum is σ = 580482. Its totient is φ = 193492.

The previous prime is 386977. The next prime is 386987. The reversal of 386986 is 689683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 689683 = 631 ⋅1093.

It can be written as a sum of positive squares in only one way, i.e., 308025 + 78961 = 555^2 + 281^2 .

It is not an unprimeable number, because it can be changed into a prime (386987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96745 + ... + 96748.

2³⁸⁶⁹⁸⁶ is an apocalyptic number.

386986 is a deficient number, since it is larger than the sum of its proper divisors (193496).

386986 is a wasteful number, since it uses less digits than its factorization.

386986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193495.

The product of its digits is 62208, while the sum is 40.

The square root of 386986 is about 622.0819881655. The cubic root of 386986 is about 72.8727375490.

The spelling of 386986 in words is "three hundred eighty-six thousand, nine hundred eighty-six".