28106468 has 12 divisors (see below), whose sum is σ = 52969980. Its totient is φ = 12972192.

The previous prime is 28106447. The next prime is 28106473. The reversal of 28106468 is 86460182.

It can be written as a sum of positive squares in 2 ways, for example, as 14915044 + 13191424 = 3862^2 + 3632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270203 + ... + 270306.

It is an arithmetic number, because the mean of its divisors is an integer number (4414165).

Almost surely, 2^28106468 is an apocalyptic number.

It is an amenable number.

28106468 is a deficient number, since it is larger than the sum of its proper divisors (24863512).

28106468 is a wasteful number, since it uses less digits than its factorization.

28106468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540526 (or 540524 counting only the distinct ones).

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

The square root of 28106468 is about 5301.5533572718. The cubic root of 28106468 is about 304.0432908109.

The spelling of 28106468 in words is "twenty-eight million, one hundred six thousand, four hundred sixty-eight".