28462243 has 2 divisors, whose sum is σ = 28462244. Its totient is φ = 28462242.

The previous prime is 28462229. The next prime is 28462279. The reversal of 28462243 is 34226482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28462243 - 2⁵ = 28462211 is a prime.

It is not a weakly prime, because it can be changed into another prime (28462223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14231121 + 14231122.

It is an arithmetic number, because the mean of its divisors is an integer number (14231122).

Almost surely, 2^28462243 is an apocalyptic number.

28462243 is a deficient number, since it is larger than the sum of its proper divisors (1).

28462243 is an equidigital number, since it uses as much as digits as its factorization.

28462243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 31.

The square root of 28462243 is about 5335.0016869726. The cubic root of 28462243 is about 305.3207876348.

The spelling of 28462243 in words is "twenty-eight million, four hundred sixty-two thousand, two hundred forty-three".