28246272 has 36 divisors (see below), whose sum is σ = 75178320. Its totient is φ = 9415168.

The previous prime is 28246247. The next prime is 28246289. The reversal of 28246272 is 27264282.

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, 17622 + ... + 19157.

Almost surely, 2^28246272 is an apocalyptic number.

It is an amenable number.

28246272 is an abundant number, since it is smaller than the sum of its proper divisors (46932048).

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

28246272 is an equidigital number, since it uses as much as digits as its factorization.

28246272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36798 (or 36784 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 28246272 is about 5314.7221940568. The cubic root of 28246272 is about 304.5465698117.

The spelling of 28246272 in words is "twenty-eight million, two hundred forty-six thousand, two hundred seventy-two".