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386429 is a prime number

386429 has 2 divisors, whose sum is σ = 386430. Its totient is φ = 386428.

The previous prime is 386413. The next prime is 386431. The reversal of 386429 is 924683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362404 + 24025 = 602^2 + 155^2 .

It is an emirp because it is prime and its reverse (924683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 386429 - 24 = 386413 is a prime.

It is a Sophie Germain prime.

Together with 386431, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 386395 and 386404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193214 + 193215.

It is an arithmetic number, because the mean of its divisors is an integer number (193215).

2386429 is an apocalyptic number.

It is an amenable number.

386429 is a deficient number, since it is larger than the sum of its proper divisors (1).

386429 is an equidigital number, since it uses as much as digits as its factorization.

386429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 386429 is about 621.6341367718. The cubic root of 386429 is about 72.8377581574.

The spelling of 386429 in words is "three hundred eighty-six thousand, four hundred twenty-nine".