28683033 has 4 divisors (see below), whose sum is σ = 38244048. Its totient is φ = 19122020.

The previous prime is 28682981. The next prime is 28683041. The reversal of 28683033 is 33038682.

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 28683033 - 2⁸ = 28682777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28682985 and 28683003.

It is not an unprimeable number, because it can be changed into a prime (28683133) 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, 4780503 + ... + 4780508.

It is an arithmetic number, because the mean of its divisors is an integer number (9561012).

Almost surely, 2^28683033 is an apocalyptic number.

It is an amenable number.

28683033 is a deficient number, since it is larger than the sum of its proper divisors (9561015).

28683033 is an equidigital number, since it uses as much as digits as its factorization.

28683033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9561014.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 28683033 is about 5355.6543017637. The cubic root of 28683033 is about 306.1082427094.

The spelling of 28683033 in words is "twenty-eight million, six hundred eighty-three thousand, thirty-three".