28320950 has 24 divisors (see below), whose sum is σ = 60202992. Its totient is φ = 9709920.

The previous prime is 28320899. The next prime is 28320953. The reversal of 28320950 is 5902382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28320953) 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 11 ways as a sum of consecutive naturals, for example, 40109 + ... + 40808.

It is an arithmetic number, because the mean of its divisors is an integer number (2508458).

Almost surely, 2^28320950 is an apocalyptic number.

28320950 is an abundant number, since it is smaller than the sum of its proper divisors (31882042).

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

28320950 is a wasteful number, since it uses less digits than its factorization.

28320950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80936 (or 80931 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 28320950 is about 5321.7431354773. The cubic root of 28320950 is about 304.8147221943.

The spelling of 28320950 in words is "twenty-eight million, three hundred twenty thousand, nine hundred fifty".