28985058 has 24 divisors (see below), whose sum is σ = 62914800. Its totient is φ = 9644184.

The previous prime is 28985039. The next prime is 28985059. The reversal of 28985058 is 85058982.

It is not an unprimeable number, because it can be changed into a prime (28985059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12213 + ... + 14391.

It is an arithmetic number, because the mean of its divisors is an integer number (2621450).

Almost surely, 2^28985058 is an apocalyptic number.

28985058 is an abundant number, since it is smaller than the sum of its proper divisors (33929742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28985058 is a wasteful number, since it uses less digits than its factorization.

28985058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926 (or 2923 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The square root of 28985058 is about 5383.7772985145. Note that the first 3 decimals coincide. The cubic root of 28985058 is about 307.1789073449.

The spelling of 28985058 in words is "twenty-eight million, nine hundred eighty-five thousand, fifty-eight".