28280848 has 10 divisors (see below), whose sum is σ = 54794174. Its totient is φ = 14140416.

The previous prime is 28280831. The next prime is 28280851. The reversal of 28280848 is 84808282.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28217344 + 63504 = 5312^2 + 252^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28280848.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 883761 + ... + 883792.

Almost surely, 2^28280848 is an apocalyptic number.

It is an amenable number.

28280848 is a deficient number, since it is larger than the sum of its proper divisors (26513326).

28280848 is a wasteful number, since it uses less digits than its factorization.

28280848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767561 (or 1767555 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The square root of 28280848 is about 5317.9740503316. The cubic root of 28280848 is about 304.6707833546.

The spelling of 28280848 in words is "twenty-eight million, two hundred eighty thousand, eight hundred forty-eight".