5661244 has 12 divisors (see below), whose sum is σ = 10118304. Its totient is φ = 2770304.

The previous prime is 5661217. The next prime is 5661247. The reversal of 5661244 is 4421665.

5661244 = T₂₉₉ + T₃₀₀ + ... + T₃₉₂.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661247) 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 3 ways as a sum of consecutive naturals, for example, 14869 + ... + 15244.

It is an arithmetic number, because the mean of its divisors is an integer number (843192).

Almost surely, 2^5661244 is an apocalyptic number.

It is an amenable number.

5661244 is a deficient number, since it is larger than the sum of its proper divisors (4457060).

5661244 is a wasteful number, since it uses less digits than its factorization.

5661244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30164 (or 30162 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 5661244 is about 2379.3368824107. The cubic root of 5661244 is about 178.2258212035.

The spelling of 5661244 in words is "five million, six hundred sixty-one thousand, two hundred forty-four".