3449839 has 4 divisors (see below), whose sum is σ = 3599856. Its totient is φ = 3299824.

The previous prime is 3449821. The next prime is 3449879. The reversal of 3449839 is 9389443.

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

It is a cyclic number.

It is not a de Polignac number, because 3449839 - 2⁵ = 3449807 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3449879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74974 + ... + 75019.

It is an arithmetic number, because the mean of its divisors is an integer number (899964).

Almost surely, 2^3449839 is an apocalyptic number.

3449839 is a deficient number, since it is larger than the sum of its proper divisors (150017).

3449839 is a wasteful number, since it uses less digits than its factorization.

3449839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150016.

The product of its digits is 93312, while the sum is 40.

The square root of 3449839 is about 1857.3742218519. The cubic root of 3449839 is about 151.1006302604.

The spelling of 3449839 in words is "three million, four hundred forty-nine thousand, eight hundred thirty-nine".