28245842 has 16 divisors (see below), whose sum is σ = 42910560. Its totient is φ = 13943808.

The previous prime is 28245829. The next prime is 28245871. The reversal of 28245842 is 24854282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91853 + ... + 92159.

It is an arithmetic number, because the mean of its divisors is an integer number (2681910).

Almost surely, 2^28245842 is an apocalyptic number.

28245842 is a deficient number, since it is larger than the sum of its proper divisors (14664718).

28245842 is a wasteful number, since it uses less digits than its factorization.

28245842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its digits is 40960, while the sum is 35.

The square root of 28245842 is about 5314.6817402362. The cubic root of 28245842 is about 304.5450244079.

The spelling of 28245842 in words is "twenty-eight million, two hundred forty-five thousand, eight hundred forty-two".