28326116 has 36 divisors (see below), whose sum is σ = 62105148. Its totient is φ = 11204928.

The previous prime is 28326091. The next prime is 28326149. The reversal of 28326116 is 61162382.

It can be written as a sum of positive squares in 2 ways, for example, as 3625216 + 24700900 = 1904^2 + 4970^2 .

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 11 ways as a sum of consecutive naturals, for example, 3011 + ... + 8106.

It is an arithmetic number, because the mean of its divisors is an integer number (1725143).

Almost surely, 2^28326116 is an apocalyptic number.

28326116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28326116 is an abundant number, since it is smaller than the sum of its proper divisors (33779032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28326116 is a wasteful number, since it uses less digits than its factorization.

28326116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11148 (or 11139 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 28326116 is about 5322.2284806273. The cubic root of 28326116 is about 304.8332547308.

Adding to 28326116 its reverse (61162382), we get a palindrome (89488498).

The spelling of 28326116 in words is "twenty-eight million, three hundred twenty-six thousand, one hundred sixteen".