28667848 has 32 divisors (see below), whose sum is σ = 62091360. Its totient is φ = 12263680.

The previous prime is 28667833. The next prime is 28667851. The reversal of 28667848 is 84876682.

It is a super-2 number, since 2×28667848² = 1643691017902208, which contains 22 as substring.

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, 8086 + ... + 11077.

It is an arithmetic number, because the mean of its divisors is an integer number (1940355).

Almost surely, 2^28667848 is an apocalyptic number.

It is an amenable number.

28667848 is an abundant number, since it is smaller than the sum of its proper divisors (33423512).

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

28667848 is a wasteful number, since it uses less digits than its factorization.

28667848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19197 (or 19193 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 49.

The square root of 28667848 is about 5354.2364535011. The cubic root of 28667848 is about 306.0542145529.

The spelling of 28667848 in words is "twenty-eight million, six hundred sixty-seven thousand, eight hundred forty-eight".