199099803 has 24 divisors (see below), whose sum is σ = 320210688. Its totient is φ = 107779248.

The previous prime is 199099793. The next prime is 199099837. The reversal of 199099803 is 308990991.

It is not a de Polignac number, because 199099803 - 2⁶ = 199099739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199099843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5551 + ... + 20712.

It is an arithmetic number, because the mean of its divisors is an integer number (13342112).

Almost surely, 2^199099803 is an apocalyptic number.

199099803 is a deficient number, since it is larger than the sum of its proper divisors (121110885).

199099803 is a wasteful number, since it uses less digits than its factorization.

199099803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26311 (or 26292 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 48.

The square root of 199099803 is about 14110.2729597978. The cubic root of 199099803 is about 583.9248306249.

The spelling of 199099803 in words is "one hundred ninety-nine million, ninety-nine thousand, eight hundred three".