5649872 has 10 divisors (see below), whose sum is σ = 10946658. Its totient is φ = 2824928.

The previous prime is 5649871. The next prime is 5649877. The reversal of 5649872 is 2789465.

It can be written as a sum of positive squares in only one way, i.e., 5125696 + 524176 = 2264^2 + 724^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649871) 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 as a sum of consecutive naturals, namely, 176543 + ... + 176574.

Almost surely, 2^5649872 is an apocalyptic number.

It is an amenable number.

5649872 is a deficient number, since it is larger than the sum of its proper divisors (5296786).

5649872 is a wasteful number, since it uses less digits than its factorization.

5649872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353125 (or 353119 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 5649872 is about 2376.9459396461. The cubic root of 5649872 is about 178.1064044197.

The spelling of 5649872 in words is "five million, six hundred forty-nine thousand, eight hundred seventy-two".