28063950 has 96 divisors (see below), whose sum is σ = 75292800. Its totient is φ = 6894720.

The previous prime is 28063949. The next prime is 28063951. The reversal of 28063950 is 5936082.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28063949) and next prime (28063951).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28063951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122436 + ... + 122664.

It is an arithmetic number, because the mean of its divisors is an integer number (784300).

Almost surely, 2^28063950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28063950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37646400).

28063950 is an abundant number, since it is smaller than the sum of its proper divisors (47228850).

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

28063950 is a wasteful number, since it uses less digits than its factorization.

28063950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 28063950 is about 5297.5418827981. The cubic root of 28063950 is about 303.8898998226.

The spelling of 28063950 in words is "twenty-eight million, sixty-three thousand, nine hundred fifty".