28083796 has 24 divisors (see below), whose sum is σ = 56042280. Its totient is φ = 12198912.

The previous prime is 28083793. The next prime is 28083821. The reversal of 28083796 is 69738082.

It can be written as a sum of positive squares in 4 ways, for example, as 1354896 + 26728900 = 1164^2 + 5170^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28083791) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15001 + ... + 16768.

It is an arithmetic number, because the mean of its divisors is an integer number (2335095).

Almost surely, 2^28083796 is an apocalyptic number.

28083796 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28083796 is a deficient number, since it is larger than the sum of its proper divisors (27958484).

28083796 is a wasteful number, since it uses less digits than its factorization.

28083796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31803 (or 31801 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 28083796 is about 5299.4146846609. The cubic root of 28083796 is about 303.9615169431.

The spelling of 28083796 in words is "twenty-eight million, eighty-three thousand, seven hundred ninety-six".