197449803 has 6 divisors (see below), whose sum is σ = 285205284. Its totient is φ = 131633196.

The previous prime is 197449801. The next prime is 197449807. The reversal of 197449803 is 308944791.

197449803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 197449803 - 2¹ = 197449801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197449801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10969425 + ... + 10969442.

It is an arithmetic number, because the mean of its divisors is an integer number (47534214).

Almost surely, 2^197449803 is an apocalyptic number.

197449803 is a deficient number, since it is larger than the sum of its proper divisors (87755481).

197449803 is a wasteful number, since it uses less digits than its factorization.

197449803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21938873 (or 21938870 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 197449803 is about 14051.6832799491. The cubic root of 197449803 is about 582.3073004275.

The spelling of 197449803 in words is "one hundred ninety-seven million, four hundred forty-nine thousand, eight hundred three".