28328486 has 8 divisors (see below), whose sum is σ = 43481064. Its totient is φ = 13834800.

The previous prime is 28328473. The next prime is 28328501. The reversal of 28328486 is 68482382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164615 + ... + 164786.

It is an arithmetic number, because the mean of its divisors is an integer number (5435133).

Almost surely, 2^28328486 is an apocalyptic number.

28328486 is a deficient number, since it is larger than the sum of its proper divisors (15152578).

28328486 is a wasteful number, since it uses less digits than its factorization.

28328486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329446.

The product of its digits is 147456, while the sum is 41.

The square root of 28328486 is about 5322.4511270654. The cubic root of 28328486 is about 304.8417561277.

The spelling of 28328486 in words is "twenty-eight million, three hundred twenty-eight thousand, four hundred eighty-six".