3306739 has 4 divisors (see below), whose sum is σ = 3413440. Its totient is φ = 3200040.

The previous prime is 3306731. The next prime is 3306763. The reversal of 3306739 is 9376033.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9376033 = 353 ⋅26561.

It is a cyclic number.

It is not a de Polignac number, because 3306739 - 2³ = 3306731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 106669 = 3306739 / (3 + 3 + 0 + 6 + 7 + 3 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3306739.

It is not an unprimeable number, because it can be changed into a prime (3306731) 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, 53304 + ... + 53365.

It is an arithmetic number, because the mean of its divisors is an integer number (853360).

Almost surely, 2^3306739 is an apocalyptic number.

3306739 is a deficient number, since it is larger than the sum of its proper divisors (106701).

3306739 is a wasteful number, since it uses less digits than its factorization.

3306739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106700.

The product of its (nonzero) digits is 10206, while the sum is 31.

The square root of 3306739 is about 1818.4441151710. Note that the first 3 decimals coincide. The cubic root of 3306739 is about 148.9818304346.

The spelling of 3306739 in words is "three million, three hundred six thousand, seven hundred thirty-nine".