28832318 has 8 divisors (see below), whose sum is σ = 44064648. Its totient is φ = 14144104.

The previous prime is 28832303. The next prime is 28832341. The reversal of 28832318 is 81323882.

It is a happy number.

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

It is a super-2 number, since 2×28832318² = 1662605122506248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135896 + ... + 136107.

It is an arithmetic number, because the mean of its divisors is an integer number (5508081).

Almost surely, 2^28832318 is an apocalyptic number.

28832318 is a deficient number, since it is larger than the sum of its proper divisors (15232330).

28832318 is a wasteful number, since it uses less digits than its factorization.

28832318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272058.

The product of its digits is 18432, while the sum is 35.

The square root of 28832318 is about 5369.5733536288. The cubic root of 28832318 is about 306.6383855982.

The spelling of 28832318 in words is "twenty-eight million, eight hundred thirty-two thousand, three hundred eighteen".