3346639 has 4 divisors (see below), whose sum is σ = 3378024. Its totient is φ = 3315256.

The previous prime is 3346633. The next prime is 3346649. The reversal of 3346639 is 9366433.

3346639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9366433 = 31 ⋅302143.

It is a cyclic number.

It is not a de Polignac number, because 3346639 - 2²¹ = 1249487 is a prime.

It is a super-2 number, since 2×3346639² = 22399985192642, which contains 22 as substring.

It is a Duffinian number.

3346639 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3346633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15532 + ... + 15745.

It is an arithmetic number, because the mean of its divisors is an integer number (844506).

Almost surely, 2^3346639 is an apocalyptic number.

3346639 is a deficient number, since it is larger than the sum of its proper divisors (31385).

3346639 is a wasteful number, since it uses less digits than its factorization.

3346639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31384.

The product of its digits is 34992, while the sum is 34.

The square root of 3346639 is about 1829.3821361323. The cubic root of 3346639 is about 149.5786545989.

The spelling of 3346639 in words is "three million, three hundred forty-six thousand, six hundred thirty-nine".