5449649 has 4 divisors (see below), whose sum is σ = 5454336. Its totient is φ = 5444964.

The previous prime is 5449621. The next prime is 5449667. The reversal of 5449649 is 9469445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5449649 - 2⁸ = 5449393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5449049) 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, 872 + ... + 3414.

It is an arithmetic number, because the mean of its divisors is an integer number (1363584).

Almost surely, 2^5449649 is an apocalyptic number.

It is an amenable number.

5449649 is a deficient number, since it is larger than the sum of its proper divisors (4687).

5449649 is a wasteful number, since it uses less digits than its factorization.

5449649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686.

The product of its digits is 155520, while the sum is 41.

The square root of 5449649 is about 2334.4483288349. The cubic root of 5449649 is about 175.9771083347.

It can be divided in two parts, 54496 and 49, that added together give a palindrome (54545).

The spelling of 5449649 in words is "five million, four hundred forty-nine thousand, six hundred forty-nine".