196874999 has 4 divisors (see below), whose sum is σ = 200102520. Its totient is φ = 193647480.

The previous prime is 196874947. The next prime is 196875001. The reversal of 196874999 is 999478691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999478691 = 79 ⋅12651629.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196874999 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 (196879999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613669 + ... + 1613790.

It is an arithmetic number, because the mean of its divisors is an integer number (50025630).

Almost surely, 2^196874999 is an apocalyptic number.

196874999 is a deficient number, since it is larger than the sum of its proper divisors (3227521).

196874999 is an equidigital number, since it uses as much as digits as its factorization.

196874999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227520.

The product of its digits is 8817984, while the sum is 62.

The square root of 196874999 is about 14031.2151647674. The cubic root of 196874999 is about 581.7416918777.

It can be divided in two parts, 1968 and 74999, that added together give a palindrome (76967).

The spelling of 196874999 in words is "one hundred ninety-six million, eight hundred seventy-four thousand, nine hundred ninety-nine".