28329118 has 8 divisors (see below), whose sum is σ = 42586848. Its totient is φ = 14133504.

The previous prime is 28329079. The next prime is 28329127. The reversal of 28329118 is 81192382.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14371 + ... + 16222.

It is an arithmetic number, because the mean of its divisors is an integer number (5323356).

Almost surely, 2^28329118 is an apocalyptic number.

28329118 is a deficient number, since it is larger than the sum of its proper divisors (14257730).

28329118 is a wasteful number, since it uses less digits than its factorization.

28329118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31058.

The product of its digits is 6912, while the sum is 34.

The square root of 28329118 is about 5322.5104978760. The cubic root of 28329118 is about 304.8440230868.

The spelling of 28329118 in words is "twenty-eight million, three hundred twenty-nine thousand, one hundred eighteen".