28796297 has 2 divisors, whose sum is σ = 28796298. Its totient is φ = 28796296.

The previous prime is 28796291. The next prime is 28796321. The reversal of 28796297 is 79269782.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28686736 + 109561 = 5356^2 + 331^2 .

It is a cyclic number.

It is not a de Polignac number, because 28796297 - 2⁴ = 28796281 is a prime.

It is not a weakly prime, because it can be changed into another prime (28796291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14398148 + 14398149.

It is an arithmetic number, because the mean of its divisors is an integer number (14398149).

Almost surely, 2^28796297 is an apocalyptic number.

It is an amenable number.

28796297 is a deficient number, since it is larger than the sum of its proper divisors (1).

28796297 is an equidigital number, since it uses as much as digits as its factorization.

28796297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 50.

The square root of 28796297 is about 5366.2181282538. The cubic root of 28796297 is about 306.5106351544.

The spelling of 28796297 in words is "twenty-eight million, seven hundred ninety-six thousand, two hundred ninety-seven".