198264403 has 2 divisors, whose sum is σ = 198264404. Its totient is φ = 198264402.

The previous prime is 198264343. The next prime is 198264419. The reversal of 198264403 is 304462891.

198264403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198264403 is a prime.

It is not a weakly prime, because it can be changed into another prime (198264433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99132201 + 99132202.

It is an arithmetic number, because the mean of its divisors is an integer number (99132202).

Almost surely, 2^198264403 is an apocalyptic number.

198264403 is a deficient number, since it is larger than the sum of its proper divisors (1).

198264403 is an equidigital number, since it uses as much as digits as its factorization.

198264403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 198264403 is about 14080.6392965660. The cubic root of 198264403 is about 583.1069917704.

The spelling of 198264403 in words is "one hundred ninety-eight million, two hundred sixty-four thousand, four hundred three".