198700003 has 4 divisors (see below), whose sum is σ = 198728640. Its totient is φ = 198671368.

The previous prime is 198699989. The next prime is 198700031. The reversal of 198700003 is 300007891.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 198700003 - 2¹³ = 198691811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198700093) 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, 3393 + ... + 20221.

It is an arithmetic number, because the mean of its divisors is an integer number (49682160).

Almost surely, 2^198700003 is an apocalyptic number.

198700003 is a deficient number, since it is larger than the sum of its proper divisors (28637).

198700003 is a wasteful number, since it uses less digits than its factorization.

198700003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28636.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 198700003 is about 14096.0988574854. The cubic root of 198700003 is about 583.5337209415.

Adding to 198700003 its reverse (300007891), we get a palindrome (498707894).

The spelling of 198700003 in words is "one hundred ninety-eight million, seven hundred thousand, three".