5647789 has 12 divisors (see below), whose sum is σ = 6657600. Its totient is φ = 4776408.

The previous prime is 5647771. The next prime is 5647801. The reversal of 5647789 is 9877465.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-5647789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5647729) 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 11 ways as a sum of consecutive naturals, for example, 3142 + ... + 4600.

It is an arithmetic number, because the mean of its divisors is an integer number (554800).

Almost surely, 2^5647789 is an apocalyptic number.

It is an amenable number.

5647789 is a deficient number, since it is larger than the sum of its proper divisors (1009811).

5647789 is a wasteful number, since it uses less digits than its factorization.

5647789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1545 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 5647789 is about 2376.5077319462. The cubic root of 5647789 is about 178.0845135850.

The spelling of 5647789 in words is "five million, six hundred forty-seven thousand, seven hundred eighty-nine".