196773749 has 8 divisors (see below), whose sum is σ = 200854080. Its totient is φ = 192735136.

The previous prime is 196773737. The next prime is 196773761. The reversal of 196773749 is 947377691.

It is an interprime number because it is at equal distance from previous prime (196773737) and next prime (196773761).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196773749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 196773749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196773779) 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 7 ways as a sum of consecutive naturals, for example, 809 + ... + 19854.

It is an arithmetic number, because the mean of its divisors is an integer number (25106760).

Almost surely, 2^196773749 is an apocalyptic number.

It is an amenable number.

196773749 is a deficient number, since it is larger than the sum of its proper divisors (4080331).

196773749 is a wasteful number, since it uses less digits than its factorization.

196773749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20859.

The product of its digits is 2000376, while the sum is 53.

The square root of 196773749 is about 14027.6066739840. The cubic root of 196773749 is about 581.6419476290.

The spelling of 196773749 in words is "one hundred ninety-six million, seven hundred seventy-three thousand, seven hundred forty-nine".