386434 has 8 divisors (see below), whose sum is σ = 592128. Its totient is φ = 189060.

The previous prime is 386431. The next prime is 386437. The reversal of 386434 is 434683.

386434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (386431) and next prime (386437).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1962 + ... + 2149.

It is an arithmetic number, because the mean of its divisors is an integer number (74016).

2³⁸⁶⁴³⁴ is an apocalyptic number.

386434 is a deficient number, since it is larger than the sum of its proper divisors (205694).

386434 is a wasteful number, since it uses less digits than its factorization.

386434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160.

The product of its digits is 6912, while the sum is 28.

The square root of 386434 is about 621.6381584169. The cubic root of 386434 is about 72.8380723049.

It can be divided in two parts, 386 and 434, that added together give a triangular number (820 = T₄₀).

The spelling of 386434 in words is "three hundred eighty-six thousand, four hundred thirty-four".