198700349 has 4 divisors (see below), whose sum is σ = 202928064. Its totient is φ = 194472636.

The previous prime is 198700319. The next prime is 198700357. The reversal of 198700349 is 943007891.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 198700349 - 2⁸ = 198700093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198700319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2113787 + ... + 2113880.

It is an arithmetic number, because the mean of its divisors is an integer number (50732016).

Almost surely, 2^198700349 is an apocalyptic number.

It is an amenable number.

198700349 is a deficient number, since it is larger than the sum of its proper divisors (4227715).

198700349 is an equidigital number, since it uses as much as digits as its factorization.

198700349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227714.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 198700349 is about 14096.1111303792. Note that the first 4 decimals coincide. The cubic root of 198700349 is about 583.5340596473.

The spelling of 198700349 in words is "one hundred ninety-eight million, seven hundred thousand, three hundred forty-nine".