3349429 has 2 divisors, whose sum is σ = 3349430. Its totient is φ = 3349428.

The previous prime is 3349427. The next prime is 3349439. The reversal of 3349429 is 9249433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3348900 + 529 = 1830^2 + 23^2 .

It is an emirp because it is prime and its reverse (9249433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3349429 - 2¹ = 3349427 is a prime.

It is a super-2 number, since 2×3349429² = 22437349252082, which contains 22 as substring.

Together with 3349427, it forms a pair of twin primes.

3349429 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3349394 and 3349403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3349427) 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, 1674714 + 1674715.

It is an arithmetic number, because the mean of its divisors is an integer number (1674715).

Almost surely, 2^3349429 is an apocalyptic number.

It is an amenable number.

3349429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3349429 is an equidigital number, since it uses as much as digits as its factorization.

3349429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 34.

The square root of 3349429 is about 1830.1445298118. The cubic root of 3349429 is about 149.6202095768.

The spelling of 3349429 in words is "three million, three hundred forty-nine thousand, four hundred twenty-nine".