3409739 has 2 divisors, whose sum is σ = 3409740. Its totient is φ = 3409738.

The previous prime is 3409729. The next prime is 3409751. The reversal of 3409739 is 9379043.

It is a weak prime.

It is an emirp because it is prime and its reverse (9379043) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3409739 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3409699 and 3409708.

It is not a weakly prime, because it can be changed into another prime (3409729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1704869 + 1704870.

It is an arithmetic number, because the mean of its divisors is an integer number (1704870).

Almost surely, 2^3409739 is an apocalyptic number.

3409739 is a deficient number, since it is larger than the sum of its proper divisors (1).

3409739 is an equidigital number, since it uses as much as digits as its factorization.

3409739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 3409739 is about 1846.5478601975. The cubic root of 3409739 is about 150.5128961036.

The spelling of 3409739 in words is "three million, four hundred nine thousand, seven hundred thirty-nine".