28339850 has 96 divisors (see below), whose sum is σ = 69745536. Its totient is φ = 8294400.

The previous prime is 28339813. The next prime is 28339853. The reversal of 28339850 is 5893382.

It is not an unprimeable number, because it can be changed into a prime (28339853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65234 + ... + 65666.

It is an arithmetic number, because the mean of its divisors is an integer number (726516).

Almost surely, 2^28339850 is an apocalyptic number.

28339850 is an abundant number, since it is smaller than the sum of its proper divisors (41405686).

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

28339850 is a wasteful number, since it uses less digits than its factorization.

28339850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 28339850 is about 5323.5185732746. The cubic root of 28339850 is about 304.8825132016.

The spelling of 28339850 in words is "twenty-eight million, three hundred thirty-nine thousand, eight hundred fifty".