28230696 has 48 divisors (see below), whose sum is σ = 82342260. Its totient is φ = 8686080.

The previous prime is 28230647. The next prime is 28230701. The reversal of 28230696 is 69603282.

It can be written as a sum of positive squares in 2 ways, for example, as 28196100 + 34596 = 5310^2 + 186^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28230696.

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, 14145 + ... + 16016.

Almost surely, 2^28230696 is an apocalyptic number.

28230696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28230696 is an abundant number, since it is smaller than the sum of its proper divisors (54111564).

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

28230696 is a wasteful number, since it uses less digits than its factorization.

28230696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30186 (or 30179 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 28230696 is about 5313.2566284718. The cubic root of 28230696 is about 304.4905802452.

The spelling of 28230696 in words is "twenty-eight million, two hundred thirty thousand, six hundred ninety-six".