28362272 has 24 divisors (see below), whose sum is σ = 57641472. Its totient is φ = 13723200.

The previous prime is 28362259. The next prime is 28362277. The reversal of 28362272 is 27226382.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (28362277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13304 + ... + 15287.

It is an arithmetic number, because the mean of its divisors is an integer number (2401728).

Almost surely, 2^28362272 is an apocalyptic number.

It is an amenable number.

28362272 is an abundant number, since it is smaller than the sum of its proper divisors (29279200).

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

28362272 is a wasteful number, since it uses less digits than its factorization.

28362272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28632 (or 28624 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 28362272 is about 5325.6240948832. The cubic root of 28362272 is about 304.9628979324.

The spelling of 28362272 in words is "twenty-eight million, three hundred sixty-two thousand, two hundred seventy-two".