6533428 has 24 divisors (see below), whose sum is σ = 12630240. Its totient is φ = 2932320.

The previous prime is 6533411. The next prime is 6533437. The reversal of 6533428 is 8243356.

It is a self number, because there is not a number n which added to its sum of digits gives 6533428.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2758 + ... + 4546.

It is an arithmetic number, because the mean of its divisors is an integer number (526260).

Almost surely, 2^6533428 is an apocalyptic number.

It is an amenable number.

6533428 is a deficient number, since it is larger than the sum of its proper divisors (6096812).

6533428 is a wasteful number, since it uses less digits than its factorization.

6533428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887 (or 1885 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 6533428 is about 2556.0571198625. The cubic root of 6533428 is about 186.9449350294.

The spelling of 6533428 in words is "six million, five hundred thirty-three thousand, four hundred twenty-eight".