28323704 has 16 divisors (see below), whose sum is σ = 54237600. Its totient is φ = 13860352.

The previous prime is 28323689. The next prime is 28323727. The reversal of 28323704 is 40732382.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 37289 + ... + 38040.

It is an arithmetic number, because the mean of its divisors is an integer number (3389850).

Almost surely, 2^28323704 is an apocalyptic number.

It is an amenable number.

28323704 is a deficient number, since it is larger than the sum of its proper divisors (25913896).

28323704 is a wasteful number, since it uses less digits than its factorization.

28323704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75382 (or 75378 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 28323704 is about 5322.0018789925. The cubic root of 28323704 is about 304.8246021893.

The spelling of 28323704 in words is "twenty-eight million, three hundred twenty-three thousand, seven hundred four".