5449439 has 6 divisors (see below), whose sum is σ = 5508720. Its totient is φ = 5390700.

The previous prime is 5449429. The next prime is 5449441. The reversal of 5449439 is 9349445.

It is a de Polignac number, because none of the positive numbers 2^k-5449439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5449429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22682 + ... + 22920.

It is an arithmetic number, because the mean of its divisors is an integer number (918120).

Almost surely, 2^5449439 is an apocalyptic number.

5449439 is a deficient number, since it is larger than the sum of its proper divisors (59281).

5449439 is an equidigital number, since it uses as much as digits as its factorization.

5449439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 390 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 5449439 is about 2334.4033498948. The cubic root of 5449439 is about 175.9748479036.

The spelling of 5449439 in words is "five million, four hundred forty-nine thousand, four hundred thirty-nine".