839413 has 2 divisors, whose sum is σ = 839414. Its totient is φ = 839412.

The previous prime is 839381. The next prime is 839429. The reversal of 839413 is 314938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 762129 + 77284 = 873^2 + 278^2 .

It is a cyclic number.

It is not a de Polignac number, because 839413 - 2⁵ = 839381 is a prime.

It is a super-2 number, since 2×839413² = 1409228369138, which contains 22 as substring.

839413 is a lucky number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (839453) 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, 419706 + 419707.

It is an arithmetic number, because the mean of its divisors is an integer number (419707).

2⁸³⁹⁴¹³ is an apocalyptic number.

It is an amenable number.

839413 is a deficient number, since it is larger than the sum of its proper divisors (1).

839413 is an equidigital number, since it uses as much as digits as its factorization.

839413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 839413 is about 916.1948482719. The cubic root of 839413 is about 94.3318960215.

The spelling of 839413 in words is "eight hundred thirty-nine thousand, four hundred thirteen".