28847955 has 8 divisors (see below), whose sum is σ = 46156752. Its totient is φ = 15385568.

The previous prime is 28847927. The next prime is 28847971. The reversal of 28847955 is 55974882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28847955 - 2⁶ = 28847891 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961584 + ... + 961613.

It is an arithmetic number, because the mean of its divisors is an integer number (5769594).

Almost surely, 2^28847955 is an apocalyptic number.

28847955 is a deficient number, since it is larger than the sum of its proper divisors (17308797).

28847955 is a wasteful number, since it uses less digits than its factorization.

28847955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923205.

The product of its digits is 806400, while the sum is 48.

The square root of 28847955 is about 5371.0292309761. The cubic root of 28847955 is about 306.6938099531.

The spelling of 28847955 in words is "twenty-eight million, eight hundred forty-seven thousand, nine hundred fifty-five".