3128339 has 2 divisors, whose sum is σ = 3128340. Its totient is φ = 3128338.

The previous prime is 3128329. The next prime is 3128381. The reversal of 3128339 is 9338213.

It is a weak prime.

It is an emirp because it is prime and its reverse (9338213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3128339 - 2¹⁶ = 3062803 is a prime.

It is equal to p₂₂₅₃₉₈ and since 3128339 and 225398 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3128329) 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, 1564169 + 1564170.

It is an arithmetic number, because the mean of its divisors is an integer number (1564170).

Almost surely, 2^3128339 is an apocalyptic number.

3128339 is a deficient number, since it is larger than the sum of its proper divisors (1).

3128339 is an equidigital number, since it uses as much as digits as its factorization.

3128339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 3128339 is about 1768.7111126467. The cubic root of 3128339 is about 146.2529392840.

The spelling of 3128339 in words is "three million, one hundred twenty-eight thousand, three hundred thirty-nine".