3347429 has 2 divisors, whose sum is σ = 3347430. Its totient is φ = 3347428.

The previous prime is 3347423. The next prime is 3347431. The reversal of 3347429 is 9247433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 1322500 = 1423^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 3347429 - 2⁴ = 3347413 is a prime.

It is a super-2 number, since 2×3347429² = 22410561820082, which contains 22 as substring.

Together with 3347431, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3347395 and 3347404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3347423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1673714 + 1673715.

It is an arithmetic number, because the mean of its divisors is an integer number (1673715).

Almost surely, 2^3347429 is an apocalyptic number.

It is an amenable number.

3347429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3347429 is an equidigital number, since it uses as much as digits as its factorization.

3347429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 3347429 is about 1829.5980432871. The cubic root of 3347429 is about 149.5904234054.

The spelling of 3347429 in words is "three million, three hundred forty-seven thousand, four hundred twenty-nine".