5428647 has 16 divisors (see below), whose sum is σ = 9191680. Its totient is φ = 3101976.

The previous prime is 5428637. The next prime is 5428651. The reversal of 5428647 is 7468245.

5428647 is a `hidden beast` number, since 5 + 4 + 2 + 8 + 647 = 666.

It is not a de Polignac number, because 5428647 - 2⁷ = 5428519 is a prime.

It is a Duffinian number.

5428647 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5428607) 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, 14173 + ... + 14550.

It is an arithmetic number, because the mean of its divisors is an integer number (574480).

Almost surely, 2^5428647 is an apocalyptic number.

5428647 is a deficient number, since it is larger than the sum of its proper divisors (3763033).

5428647 is a wasteful number, since it uses less digits than its factorization.

5428647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28739 (or 28733 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 5428647 is about 2329.9457075220. The cubic root of 5428647 is about 175.7507555813.

The spelling of 5428647 in words is "five million, four hundred twenty-eight thousand, six hundred forty-seven".