198884293 has 2 divisors, whose sum is σ = 198884294. Its totient is φ = 198884292.

The previous prime is 198884263. The next prime is 198884299. The reversal of 198884293 is 392488891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138697729 + 60186564 = 11777^2 + 7758^2 .

It is a cyclic number.

It is not a de Polignac number, because 198884293 - 2⁹ = 198883781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198884293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198884299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99442146 + 99442147.

It is an arithmetic number, because the mean of its divisors is an integer number (99442147).

Almost surely, 2^198884293 is an apocalyptic number.

It is an amenable number.

198884293 is a deficient number, since it is larger than the sum of its proper divisors (1).

198884293 is an equidigital number, since it uses as much as digits as its factorization.

198884293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 52.

The square root of 198884293 is about 14102.6342574712. The cubic root of 198884293 is about 583.7140702085.

The spelling of 198884293 in words is "one hundred ninety-eight million, eight hundred eighty-four thousand, two hundred ninety-three".