28332927 has 36 divisors (see below), whose sum is σ = 48799296. Its totient is φ = 15785280.

The previous prime is 28332923. The next prime is 28332929. The reversal of 28332927 is 72923382.

It is not a de Polignac number, because 28332927 - 2² = 28332923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28332891 and 28332900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28332923) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17298 + ... + 18864.

It is an arithmetic number, because the mean of its divisors is an integer number (1355536).

Almost surely, 2^28332927 is an apocalyptic number.

28332927 is a deficient number, since it is larger than the sum of its proper divisors (20466369).

28332927 is a wasteful number, since it uses less digits than its factorization.

28332927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628 (or 1618 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 28332927 is about 5322.8683057164. The cubic root of 28332927 is about 304.8576851058.

The spelling of 28332927 in words is "twenty-eight million, three hundred thirty-two thousand, nine hundred twenty-seven".