28117050 has 48 divisors (see below), whose sum is σ = 75099360. Its totient is φ = 6920640.

The previous prime is 28117049. The next prime is 28117051. The reversal of 28117050 is 5071182.

It is an interprime number because it is at equal distance from previous prime (28117049) and next prime (28117051).

It is a self number, because there is not a number n which added to its sum of digits gives 28117050.

It is not an unprimeable number, because it can be changed into a prime (28117051) 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 23 ways as a sum of consecutive naturals, for example, 5260 + ... + 9159.

It is an arithmetic number, because the mean of its divisors is an integer number (1564570).

Almost surely, 2^28117050 is an apocalyptic number.

28117050 is an abundant number, since it is smaller than the sum of its proper divisors (46982310).

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

28117050 is a wasteful number, since it uses less digits than its factorization.

28117050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14447 (or 14442 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 28117050 is about 5302.5512727365. The cubic root of 28117050 is about 304.0814431490.

The spelling of 28117050 in words is "twenty-eight million, one hundred seventeen thousand, fifty".