386769 has 4 divisors (see below), whose sum is σ = 515696. Its totient is φ = 257844.

The previous prime is 386747. The next prime is 386777. The reversal of 386769 is 967683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 386769 - 2⁷ = 386641 is a prime.

It is a super-2 number, since 2×386769² = 299180518722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386719) 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 3 ways as a sum of consecutive naturals, for example, 64459 + ... + 64464.

It is an arithmetic number, because the mean of its divisors is an integer number (128924).

2³⁸⁶⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

386769 is a deficient number, since it is larger than the sum of its proper divisors (128927).

386769 is a wasteful number, since it uses less digits than its factorization.

386769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128926.

The product of its digits is 54432, while the sum is 39.

The square root of 386769 is about 621.9075493994. The cubic root of 386769 is about 72.8591140237.

The spelling of 386769 in words is "three hundred eighty-six thousand, seven hundred sixty-nine".