298805803 has 2 divisors, whose sum is σ = 298805804. Its totient is φ = 298805802.

The previous prime is 298805791. The next prime is 298805831. The reversal of 298805803 is 308508892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 298805803 - 2⁹ = 298805291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 298805803.

It is not a weakly prime, because it can be changed into another prime (298805873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149402901 + 149402902.

It is an arithmetic number, because the mean of its divisors is an integer number (149402902).

Almost surely, 2^298805803 is an apocalyptic number.

298805803 is a deficient number, since it is larger than the sum of its proper divisors (1).

298805803 is an equidigital number, since it uses as much as digits as its factorization.

298805803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 298805803 is about 17286.0002024760. Note that the first 3 decimals coincide. The cubic root of 298805803 is about 668.5435079363.

The spelling of 298805803 in words is "two hundred ninety-eight million, eight hundred five thousand, eight hundred three".