28994963 has 2 divisors, whose sum is σ = 28994964. Its totient is φ = 28994962.

The previous prime is 28994923. The next prime is 28994993. The reversal of 28994963 is 36949982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28994963 - 2⁶ = 28994899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28994923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14497481 + 14497482.

It is an arithmetic number, because the mean of its divisors is an integer number (14497482).

Almost surely, 2^28994963 is an apocalyptic number.

28994963 is a deficient number, since it is larger than the sum of its proper divisors (1).

28994963 is an equidigital number, since it uses as much as digits as its factorization.

28994963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 50.

The square root of 28994963 is about 5384.6971131160. The cubic root of 28994963 is about 307.2138938836.

The spelling of 28994963 in words is "twenty-eight million, nine hundred ninety-four thousand, nine hundred sixty-three".