3404839 has 2 divisors, whose sum is σ = 3404840. Its totient is φ = 3404838.

The previous prime is 3404827. The next prime is 3404867. The reversal of 3404839 is 9384043.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3404839 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3404839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3404239) 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, 1702419 + 1702420.

It is an arithmetic number, because the mean of its divisors is an integer number (1702420).

Almost surely, 2^3404839 is an apocalyptic number.

3404839 is a deficient number, since it is larger than the sum of its proper divisors (1).

3404839 is an equidigital number, since it uses as much as digits as its factorization.

3404839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 3404839 is about 1845.2205830198. The cubic root of 3404839 is about 150.4407628448.

The spelling of 3404839 in words is "three million, four hundred four thousand, eight hundred thirty-nine".