3396729 has 16 divisors (see below), whose sum is σ = 5283200. Its totient is φ = 1940400.

The previous prime is 3396721. The next prime is 3396739. The reversal of 3396729 is 9276933.

It is not a de Polignac number, because 3396729 - 2³ = 3396721 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 3¹³ + 9⁵ + 6⁸ + 7⁴ + 2¹¹ + 9⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3396721) 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 in 15 ways as a sum of consecutive naturals, for example, 622 + ... + 2679.

It is an arithmetic number, because the mean of its divisors is an integer number (330200).

Almost surely, 2^3396729 is an apocalyptic number.

It is an amenable number.

3396729 is a deficient number, since it is larger than the sum of its proper divisors (1886471).

3396729 is an equidigital number, since it uses as much as digits as its factorization.

3396729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325 (or 3311 counting only the distinct ones).

The product of its digits is 61236, while the sum is 39.

The square root of 3396729 is about 1843.0217036161. The cubic root of 3396729 is about 150.3212227265.

The spelling of 3396729 in words is "three million, three hundred ninety-six thousand, seven hundred twenty-nine".