28251848 has 8 divisors (see below), whose sum is σ = 52972230. Its totient is φ = 14125920.

The previous prime is 28251833. The next prime is 28251857. The reversal of 28251848 is 84815282.

It can be written as a sum of positive squares in only one way, i.e., 27646564 + 605284 = 5258^2 + 778^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1765733 + ... + 1765748.

Almost surely, 2^28251848 is an apocalyptic number.

It is an amenable number.

28251848 is a deficient number, since it is larger than the sum of its proper divisors (24720382).

28251848 is a wasteful number, since it uses less digits than its factorization.

28251848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531487 (or 3531483 counting only the distinct ones).

The product of its digits is 40960, while the sum is 38.

The square root of 28251848 is about 5315.2467487408. The cubic root of 28251848 is about 304.5666083256.

The spelling of 28251848 in words is "twenty-eight million, two hundred fifty-one thousand, eight hundred forty-eight".