28323548 has 24 divisors (see below), whose sum is σ = 54295920. Its totient is φ = 12821120.

The previous prime is 28323539. The next prime is 28323551. The reversal of 28323548 is 84532382.

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 7 ways as a sum of consecutive naturals, for example, 10640 + ... + 13032.

It is an arithmetic number, because the mean of its divisors is an integer number (2262330).

Almost surely, 2^28323548 is an apocalyptic number.

It is an amenable number.

28323548 is a deficient number, since it is larger than the sum of its proper divisors (25972372).

28323548 is a wasteful number, since it uses less digits than its factorization.

28323548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677 (or 2675 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 28323548 is about 5321.9872228332. The cubic root of 28323548 is about 304.8240425553.

The spelling of 28323548 in words is "twenty-eight million, three hundred twenty-three thousand, five hundred forty-eight".