28901267 has 2 divisors, whose sum is σ = 28901268. Its totient is φ = 28901266.

The previous prime is 28901233. The next prime is 28901293. The reversal of 28901267 is 76210982.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28901267 - 2¹⁸ = 28639123 is a prime.

It is not a weakly prime, because it can be changed into another prime (28931267) 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 as a sum of consecutive naturals, namely, 14450633 + 14450634.

It is an arithmetic number, because the mean of its divisors is an integer number (14450634).

Almost surely, 2^28901267 is an apocalyptic number.

28901267 is a deficient number, since it is larger than the sum of its proper divisors (1).

28901267 is an equidigital number, since it uses as much as digits as its factorization.

28901267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 28901267 is about 5375.9898623416. The cubic root of 28901267 is about 306.8826205482.

The spelling of 28901267 in words is "twenty-eight million, nine hundred one thousand, two hundred sixty-seven".