196999603 has 4 divisors (see below), whose sum is σ = 197128008. Its totient is φ = 196871200.

The previous prime is 196999589. The next prime is 196999613. The reversal of 196999603 is 306999691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306999691 = 53 ⋅5792447.

It is a cyclic number.

It is not a de Polignac number, because 196999603 - 2¹⁷ = 196868531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196999613) 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, 61873 + ... + 64978.

It is an arithmetic number, because the mean of its divisors is an integer number (49282002).

Almost surely, 2^196999603 is an apocalyptic number.

196999603 is a deficient number, since it is larger than the sum of its proper divisors (128405).

196999603 is a wasteful number, since it uses less digits than its factorization.

196999603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128404.

The product of its (nonzero) digits is 708588, while the sum is 52.

The square root of 196999603 is about 14035.6547050717. The cubic root of 196999603 is about 581.8643958859.

The spelling of 196999603 in words is "one hundred ninety-six million, nine hundred ninety-nine thousand, six hundred three".