5438449 has 4 divisors (see below), whose sum is σ = 5448100. Its totient is φ = 5428800.

The previous prime is 5438437. The next prime is 5438479. The reversal of 5438449 is 9448345.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4545424 + 893025 = 2132^2 + 945^2 .

It is a cyclic number.

It is not a de Polignac number, because 5438449 - 2⁹ = 5437937 is a prime.

It is a Duffinian number.

5438449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5438429) 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, 3924 + ... + 5125.

It is an arithmetic number, because the mean of its divisors is an integer number (1362025).

Almost surely, 2^5438449 is an apocalyptic number.

It is an amenable number.

5438449 is a deficient number, since it is larger than the sum of its proper divisors (9651).

5438449 is an equidigital number, since it uses as much as digits as its factorization.

5438449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9650.

The product of its digits is 69120, while the sum is 37.

The square root of 5438449 is about 2332.0482413535. The cubic root of 5438449 is about 175.8564708789.

It can be divided in two parts, 54 and 38449, that added together give a triangular number (38503 = T₂₇₇).

The spelling of 5438449 in words is "five million, four hundred thirty-eight thousand, four hundred forty-nine".