28266350 has 24 divisors (see below), whose sum is σ = 60086928. Its totient is φ = 9691200.

The previous prime is 28266349. The next prime is 28266353. The reversal of 28266350 is 5366282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28266353) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 40031 + ... + 40730.

It is an arithmetic number, because the mean of its divisors is an integer number (2503622).

Almost surely, 2^28266350 is an apocalyptic number.

28266350 is an abundant number, since it is smaller than the sum of its proper divisors (31820578).

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

28266350 is a wasteful number, since it uses less digits than its factorization.

28266350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80780 (or 80775 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 28266350 is about 5316.6107625065. The cubic root of 28266350 is about 304.6187119312.

The spelling of 28266350 in words is "twenty-eight million, two hundred sixty-six thousand, three hundred fifty".