427838339 has 2 divisors, whose sum is σ = 427838340. Its totient is φ = 427838338.

The previous prime is 427838329. The next prime is 427838351. The reversal of 427838339 is 933838724.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427838339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 427838293 and 427838302.

It is not a weakly prime, because it can be changed into another prime (427838329) 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 as a sum of consecutive naturals, namely, 213919169 + 213919170.

It is an arithmetic number, because the mean of its divisors is an integer number (213919170).

Almost surely, 2^427838339 is an apocalyptic number.

427838339 is a deficient number, since it is larger than the sum of its proper divisors (1).

427838339 is an equidigital number, since it uses as much as digits as its factorization.

427838339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 427838339 is about 20684.2534068794. The cubic root of 427838339 is about 753.5173094446.

The spelling of 427838339 in words is "four hundred twenty-seven million, eight hundred thirty-eight thousand, three hundred thirty-nine".