5649656 has 8 divisors (see below), whose sum is σ = 10593120. Its totient is φ = 2824824.

The previous prime is 5649649. The next prime is 5649667. The reversal of 5649656 is 6569465.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×5649656² = 63837225836672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353096 + ... + 353111.

It is an arithmetic number, because the mean of its divisors is an integer number (1324140).

Almost surely, 2^5649656 is an apocalyptic number.

It is an amenable number.

5649656 is a deficient number, since it is larger than the sum of its proper divisors (4943464).

5649656 is a wasteful number, since it uses less digits than its factorization.

5649656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706213 (or 706209 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 5649656 is about 2376.9005027556. The cubic root of 5649656 is about 178.1041346648.

The spelling of 5649656 in words is "five million, six hundred forty-nine thousand, six hundred fifty-six".