28425184 has 12 divisors (see below), whose sum is σ = 55962144. Its totient is φ = 14212576.

The previous prime is 28425181. The next prime is 28425209. The reversal of 28425184 is 48152482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28425181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444112 + ... + 444175.

It is an arithmetic number, because the mean of its divisors is an integer number (4663512).

Almost surely, 2^28425184 is an apocalyptic number.

It is an amenable number.

28425184 is a deficient number, since it is larger than the sum of its proper divisors (27536960).

28425184 is an equidigital number, since it uses as much as digits as its factorization.

28425184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888297 (or 888289 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 28425184 is about 5331.5273608976. The cubic root of 28425184 is about 305.1882167123.

The spelling of 28425184 in words is "twenty-eight million, four hundred twenty-five thousand, one hundred eighty-four".