196797830 has 16 divisors (see below), whose sum is σ = 354609360. Its totient is φ = 78636192.

The previous prime is 196797817. The next prime is 196797833. The reversal of 196797830 is 38797691.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196797833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101 + ... + 19839.

It is an arithmetic number, because the mean of its divisors is an integer number (22163085).

Almost surely, 2^196797830 is an apocalyptic number.

196797830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196797830 is a deficient number, since it is larger than the sum of its proper divisors (157811530).

196797830 is a wasteful number, since it uses less digits than its factorization.

196797830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20743.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 196797830 is about 14028.4649908677. The cubic root of 196797830 is about 581.6656736062.

The spelling of 196797830 in words is "one hundred ninety-six million, seven hundred ninety-seven thousand, eight hundred thirty".