28847408 has 20 divisors (see below), whose sum is σ = 56106528. Its totient is φ = 14368320.

The previous prime is 28847393. The next prime is 28847417. The reversal of 28847408 is 80474882.

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 in 3 ways as a sum of consecutive naturals, for example, 1010 + ... + 7662.

Almost surely, 2^28847408 is an apocalyptic number.

It is an amenable number.

28847408 is a deficient number, since it is larger than the sum of its proper divisors (27259120).

28847408 is a wasteful number, since it uses less digits than its factorization.

28847408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932 (or 6926 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 41.

The square root of 28847408 is about 5370.9783093958. The cubic root of 28847408 is about 306.6918714843.

The spelling of 28847408 in words is "twenty-eight million, eight hundred forty-seven thousand, four hundred eight".