3344639 has 4 divisors (see below), whose sum is σ = 3351720. Its totient is φ = 3337560.

The previous prime is 3344633. The next prime is 3344647. The reversal of 3344639 is 9364433.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3344639 is a prime.

It is a super-2 number, since 2×3344639² = 22373220080642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3344633) 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, 2777 + ... + 3794.

It is an arithmetic number, because the mean of its divisors is an integer number (837930).

Almost surely, 2^3344639 is an apocalyptic number.

3344639 is a deficient number, since it is larger than the sum of its proper divisors (7081).

3344639 is an equidigital number, since it uses as much as digits as its factorization.

3344639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7080.

The product of its digits is 23328, while the sum is 32.

The square root of 3344639 is about 1828.8354217917. The cubic root of 3344639 is about 149.5488518702.

The spelling of 3344639 in words is "three million, three hundred forty-four thousand, six hundred thirty-nine".