28979848 has 8 divisors (see below), whose sum is σ = 54337230. Its totient is φ = 14489920.

The previous prime is 28979837. The next prime is 28979851. The reversal of 28979848 is 84897982.

It can be written as a sum of positive squares in only one way, i.e., 28965924 + 13924 = 5382^2 + 118^2 .

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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811233 + ... + 1811248.

Almost surely, 2^28979848 is an apocalyptic number.

It is an amenable number.

28979848 is a deficient number, since it is larger than the sum of its proper divisors (25357382).

28979848 is a wasteful number, since it uses less digits than its factorization.

28979848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622487 (or 3622483 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 55.

The square root of 28979848 is about 5383.2934157447. The cubic root of 28979848 is about 307.1605013326.

The spelling of 28979848 in words is "twenty-eight million, nine hundred seventy-nine thousand, eight hundred forty-eight".