28724050 has 48 divisors (see below), whose sum is σ = 57853440. Its totient is φ = 10568960.

The previous prime is 28724041. The next prime is 28724053. The reversal of 28724050 is 5042782.

It is not an unprimeable number, because it can be changed into a prime (28724053) 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 23 ways as a sum of consecutive naturals, for example, 39591 + ... + 40309.

It is an arithmetic number, because the mean of its divisors is an integer number (1205280).

Almost surely, 2^28724050 is an apocalyptic number.

28724050 is an abundant number, since it is smaller than the sum of its proper divisors (29129390).

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

28724050 is a wasteful number, since it uses less digits than its factorization.

28724050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 28724050 is about 5359.4822511134. The cubic root of 28724050 is about 306.2540857431.

The spelling of 28724050 in words is "twenty-eight million, seven hundred twenty-four thousand, fifty".