3338729 has 4 divisors (see below), whose sum is σ = 3359376. Its totient is φ = 3318084.

The previous prime is 3338719. The next prime is 3338747. The reversal of 3338729 is 9278333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3338729 - 2²⁰ = 2290153 is a prime.

It is a super-2 number, since 2×3338729² = 22294222670882, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3⁷ + 3¹³ + 3¹³ + 8 + 7⁵ + 2¹⁷ + 9 .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3338719) 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 3 ways as a sum of consecutive naturals, for example, 10079 + ... + 10404.

It is an arithmetic number, because the mean of its divisors is an integer number (839844).

Almost surely, 2^3338729 is an apocalyptic number.

It is an amenable number.

3338729 is a deficient number, since it is larger than the sum of its proper divisors (20647).

3338729 is a wasteful number, since it uses less digits than its factorization.

3338729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20646.

The product of its digits is 27216, while the sum is 35.

The square root of 3338729 is about 1827.2189250333. The cubic root of 3338729 is about 149.4607153223.

The spelling of 3338729 in words is "three million, three hundred thirty-eight thousand, seven hundred twenty-nine".