5649449 has 4 divisors (see below), whose sum is σ = 6084036. Its totient is φ = 5214864.

The previous prime is 5649439. The next prime is 5649451. The reversal of 5649449 is 9449465.

5649449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 1210000 + 4439449 = 1100^2 + 2107^2 .

It is a cyclic number.

It is not a de Polignac number, because 5649449 - 2⁴ = 5649433 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 (5649439) 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, 217274 + ... + 217299.

It is an arithmetic number, because the mean of its divisors is an integer number (1521009).

Almost surely, 2^5649449 is an apocalyptic number.

It is an amenable number.

5649449 is a deficient number, since it is larger than the sum of its proper divisors (434587).

5649449 is a wasteful number, since it uses less digits than its factorization.

5649449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434586.

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

The square root of 5649449 is about 2376.8569582539. The cubic root of 5649449 is about 178.1019594288.

The spelling of 5649449 in words is "five million, six hundred forty-nine thousand, four hundred forty-nine".