28112466 has 32 divisors (see below), whose sum is σ = 57507840. Its totient is φ = 9159696.

The previous prime is 28112423. The next prime is 28112473. The reversal of 28112466 is 66421182.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59965 + ... + 60431.

It is an arithmetic number, because the mean of its divisors is an integer number (1797120).

Almost surely, 2^28112466 is an apocalyptic number.

28112466 is an abundant number, since it is smaller than the sum of its proper divisors (29395374).

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

28112466 is a wasteful number, since it uses less digits than its factorization.

28112466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its digits is 4608, while the sum is 30.

The square root of 28112466 is about 5302.1190103580. The cubic root of 28112466 is about 304.0649171729.

The spelling of 28112466 in words is "twenty-eight million, one hundred twelve thousand, four hundred sixty-six".