28196963 has 2 divisors, whose sum is σ = 28196964. Its totient is φ = 28196962.

The previous prime is 28196953. The next prime is 28196989. The reversal of 28196963 is 36969182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28196963 - 2⁶ = 28196899 is a prime.

It is not a weakly prime, because it can be changed into another prime (28196933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14098481 + 14098482.

It is an arithmetic number, because the mean of its divisors is an integer number (14098482).

Almost surely, 2^28196963 is an apocalyptic number.

28196963 is a deficient number, since it is larger than the sum of its proper divisors (1).

28196963 is an equidigital number, since it uses as much as digits as its factorization.

28196963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 44.

The square root of 28196963 is about 5310.0812611485. The cubic root of 28196963 is about 304.3692528012.

The spelling of 28196963 in words is "twenty-eight million, one hundred ninety-six thousand, nine hundred sixty-three".