28127296 has 28 divisors (see below), whose sum is σ = 58755280. Its totient is φ = 13322880.

The previous prime is 28127273. The next prime is 28127327. The reversal of 28127296 is 69272182.

It is a super-2 number, since 2×28127296² = 1582289560543232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10350 + ... + 12781.

Almost surely, 2^28127296 is an apocalyptic number.

It is an amenable number.

28127296 is an abundant number, since it is smaller than the sum of its proper divisors (30627984).

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

28127296 is a wasteful number, since it uses less digits than its factorization.

28127296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23162 (or 23152 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 28127296 is about 5303.5173234373. The cubic root of 28127296 is about 304.1183749525.

The spelling of 28127296 in words is "twenty-eight million, one hundred twenty-seven thousand, two hundred ninety-six".