28292963 has 2 divisors, whose sum is σ = 28292964. Its totient is φ = 28292962.

The previous prime is 28292923. The next prime is 28292969. The reversal of 28292963 is 36929282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28292963 - 2⁶ = 28292899 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28292963.

It is not a weakly prime, because it can be changed into another prime (28292969) 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, 14146481 + 14146482.

It is an arithmetic number, because the mean of its divisors is an integer number (14146482).

Almost surely, 2^28292963 is an apocalyptic number.

28292963 is a deficient number, since it is larger than the sum of its proper divisors (1).

28292963 is an equidigital number, since it uses as much as digits as its factorization.

28292963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 28292963 is about 5319.1129899636. The cubic root of 28292963 is about 304.7142822813.

The spelling of 28292963 in words is "twenty-eight million, two hundred ninety-two thousand, nine hundred sixty-three".