5649447 has 16 divisors (see below), whose sum is σ = 7787520. Its totient is φ = 3640992.

The previous prime is 5649439. The next prime is 5649451. The reversal of 5649447 is 7449465.

It is a happy number.

It is not a de Polignac number, because 5649447 - 2³ = 5649439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14329 + ... + 14717.

It is an arithmetic number, because the mean of its divisors is an integer number (486720).

Almost surely, 2^5649447 is an apocalyptic number.

5649447 is a deficient number, since it is larger than the sum of its proper divisors (2138073).

5649447 is a wasteful number, since it uses less digits than its factorization.

5649447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542.

The product of its digits is 120960, while the sum is 39.

The square root of 5649447 is about 2376.8565375302. The cubic root of 5649447 is about 178.1019384117.

It can be divided in two parts, 564 and 9447, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 5649447 in words is "five million, six hundred forty-nine thousand, four hundred forty-seven".