28962233 has 4 divisors (see below), whose sum is σ = 28976208. Its totient is φ = 28948260.

The previous prime is 28962229. The next prime is 28962247. The reversal of 28962233 is 33226982.

28962233 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28962233 - 2² = 28962229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28962193 and 28962202.

It is not an unprimeable number, because it can be changed into a prime (28964233) 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 3 ways as a sum of consecutive naturals, for example, 3191 + ... + 8252.

It is an arithmetic number, because the mean of its divisors is an integer number (7244052).

Almost surely, 2^28962233 is an apocalyptic number.

It is an amenable number.

28962233 is a deficient number, since it is larger than the sum of its proper divisors (13975).

28962233 is a wasteful number, since it uses less digits than its factorization.

28962233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13974.

The product of its digits is 31104, while the sum is 35.

The square root of 28962233 is about 5381.6570868089. The cubic root of 28962233 is about 307.0982542973.

The spelling of 28962233 in words is "twenty-eight million, nine hundred sixty-two thousand, two hundred thirty-three".