28970848 has 12 divisors (see below), whose sum is σ = 57036420. Its totient is φ = 14485408.

The previous prime is 28970803. The next prime is 28970881. The reversal of 28970848 is 84807982.

It is a junction number, because it is equal to n+sod(n) for n = 28970798 and 28970807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452638 + ... + 452701.

It is an arithmetic number, because the mean of its divisors is an integer number (4753035).

Almost surely, 2^28970848 is an apocalyptic number.

It is an amenable number.

28970848 is a deficient number, since it is larger than the sum of its proper divisors (28065572).

28970848 is an equidigital number, since it uses as much as digits as its factorization.

28970848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905349 (or 905341 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 28970848 is about 5382.4574313226. The cubic root of 28970848 is about 307.1287007202.

The spelling of 28970848 in words is "twenty-eight million, nine hundred seventy thousand, eight hundred forty-eight".