3386729 has 2 divisors, whose sum is σ = 3386730. Its totient is φ = 3386728.

The previous prime is 3386711. The next prime is 3386737. The reversal of 3386729 is 9276833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2647129 + 739600 = 1627^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 3386729 - 2⁸ = 3386473 is a prime.

It is a super-2 number, since 2×3386729² = 22939866638882, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3386692 and 3386701.

It is not a weakly prime, because it can be changed into another prime (3386749) 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, 1693364 + 1693365.

It is an arithmetic number, because the mean of its divisors is an integer number (1693365).

Almost surely, 2^3386729 is an apocalyptic number.

It is an amenable number.

3386729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3386729 is an equidigital number, since it uses as much as digits as its factorization.

3386729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 3386729 is about 1840.3067679058. The cubic root of 3386729 is about 150.1735620602.

The spelling of 3386729 in words is "three million, three hundred eighty-six thousand, seven hundred twenty-nine".