28796233 has 2 divisors, whose sum is σ = 28796234. Its totient is φ = 28796232.

The previous prime is 28796231. The next prime is 28796239. The reversal of 28796233 is 33269782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24078649 + 4717584 = 4907^2 + 2172^2 .

It is a cyclic number.

It is not a de Polignac number, because 28796233 - 2¹ = 28796231 is a prime.

Together with 28796231, it forms a pair of twin primes.

It is equal to p_1787845 and since 28796233 and 1787845 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (28796231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14398116 + 14398117.

It is an arithmetic number, because the mean of its divisors is an integer number (14398117).

Almost surely, 2^28796233 is an apocalyptic number.

It is an amenable number.

28796233 is a deficient number, since it is larger than the sum of its proper divisors (1).

28796233 is an equidigital number, since it uses as much as digits as its factorization.

28796233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 28796233 is about 5366.2121650192. The cubic root of 28796233 is about 306.5104080801.

The spelling of 28796233 in words is "twenty-eight million, seven hundred ninety-six thousand, two hundred thirty-three".