5649657 has 16 divisors (see below), whose sum is σ = 8375808. Its totient is φ = 3363840.

The previous prime is 5649649. The next prime is 5649667. The reversal of 5649657 is 7569465.

5649657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5649657 - 2³ = 5649649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1128 + ... + 3545.

It is an arithmetic number, because the mean of its divisors is an integer number (523488).

Almost surely, 2^5649657 is an apocalyptic number.

It is an amenable number.

5649657 is a deficient number, since it is larger than the sum of its proper divisors (2726151).

5649657 is a wasteful number, since it uses less digits than its factorization.

5649657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720.

The product of its digits is 226800, while the sum is 42.

The square root of 5649657 is about 2376.9007131136. The cubic root of 5649657 is about 178.1041451731.

The spelling of 5649657 in words is "five million, six hundred forty-nine thousand, six hundred fifty-seven".