839429 has 2 divisors, whose sum is σ = 839430. Its totient is φ = 839428.

The previous prime is 839413. The next prime is 839437. The reversal of 839429 is 924938.

839429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 748225 + 91204 = 865^2 + 302^2 .

It is a cyclic number.

It is not a de Polignac number, because 839429 - 2⁴ = 839413 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 839429.

It is not a weakly prime, because it can be changed into another prime (839459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419714 + 419715.

It is an arithmetic number, because the mean of its divisors is an integer number (419715).

2⁸³⁹⁴²⁹ is an apocalyptic number.

It is an amenable number.

839429 is a deficient number, since it is larger than the sum of its proper divisors (1).

839429 is an equidigital number, since it uses as much as digits as its factorization.

839429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 839429 is about 916.2035799974. The cubic root of 839429 is about 94.3324953692.

The spelling of 839429 in words is "eight hundred thirty-nine thousand, four hundred twenty-nine".