28435963 has 2 divisors, whose sum is σ = 28435964. Its totient is φ = 28435962.

The previous prime is 28435949. The next prime is 28435969. The reversal of 28435963 is 36953482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28435963 - 2¹³ = 28427771 is a prime.

It is not a weakly prime, because it can be changed into another prime (28435969) 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, 14217981 + 14217982.

It is an arithmetic number, because the mean of its divisors is an integer number (14217982).

Almost surely, 2^28435963 is an apocalyptic number.

28435963 is a deficient number, since it is larger than the sum of its proper divisors (1).

28435963 is an equidigital number, since it uses as much as digits as its factorization.

28435963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 28435963 is about 5332.5381386353. The cubic root of 28435963 is about 305.2267882370.

The spelling of 28435963 in words is "twenty-eight million, four hundred thirty-five thousand, nine hundred sixty-three".