28832211 has 6 divisors (see below), whose sum is σ = 41646540. Its totient is φ = 19221468.

The previous prime is 28832191. The next prime is 28832249. The reversal of 28832211 is 11223882.

It is not a de Polignac number, because 28832211 - 2¹⁷ = 28701139 is a prime.

It is a super-2 number, since 2×28832211² = 1662592782297042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28832281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1601781 + ... + 1601798.

It is an arithmetic number, because the mean of its divisors is an integer number (6941090).

Almost surely, 2^28832211 is an apocalyptic number.

28832211 is a deficient number, since it is larger than the sum of its proper divisors (12814329).

28832211 is a wasteful number, since it uses less digits than its factorization.

28832211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203585 (or 3203582 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 28832211 is about 5369.5633900719. The cubic root of 28832211 is about 306.6380062745.

The spelling of 28832211 in words is "twenty-eight million, eight hundred thirty-two thousand, two hundred eleven".