28330526 has 24 divisors (see below), whose sum is σ = 51587280. Its totient is φ = 11612832.

The previous prime is 28330447. The next prime is 28330529. The reversal of 28330526 is 62503382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28330529) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4031 + ... + 8538.

It is an arithmetic number, because the mean of its divisors is an integer number (2149470).

Almost surely, 2^28330526 is an apocalyptic number.

28330526 is a deficient number, since it is larger than the sum of its proper divisors (23256754).

28330526 is a wasteful number, since it uses less digits than its factorization.

28330526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12608 (or 12601 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 28330526 is about 5322.6427646424. The cubic root of 28330526 is about 304.8490734061.

The spelling of 28330526 in words is "twenty-eight million, three hundred thirty thousand, five hundred twenty-six".