28475958 has 24 divisors (see below), whose sum is σ = 66250872. Its totient is φ = 8135904.

The previous prime is 28475917. The next prime is 28475963. The reversal of 28475958 is 85957482.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 48135 + ... + 48722.

It is an arithmetic number, because the mean of its divisors is an integer number (2760453).

Almost surely, 2^28475958 is an apocalyptic number.

28475958 is an abundant number, since it is smaller than the sum of its proper divisors (37774914).

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

28475958 is a wasteful number, since it uses less digits than its factorization.

28475958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96876 (or 96869 counting only the distinct ones).

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

The square root of 28475958 is about 5336.2869113270. The cubic root of 28475958 is about 305.3698210412.

The spelling of 28475958 in words is "twenty-eight million, four hundred seventy-five thousand, nine hundred fifty-eight".