196992936 has 72 divisors (see below), whose sum is σ = 620639370. Its totient is φ = 56282688.

The previous prime is 196992883. The next prime is 196992937. The reversal of 196992936 is 639299691.

It can be written as a sum of positive squares in only one way, i.e., 153512100 + 43480836 = 12390^2 + 6594^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (196992937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24391 + ... + 31446.

Almost surely, 2^196992936 is an apocalyptic number.

It is an amenable number.

196992936 is an abundant number, since it is smaller than the sum of its proper divisors (423646434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196992936 is a wasteful number, since it uses less digits than its factorization.

196992936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55863 (or 55849 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 54.

The square root of 196992936 is about 14035.4172007817. The cubic root of 196992936 is about 581.8578318563.

The spelling of 196992936 in words is "one hundred ninety-six million, nine hundred ninety-two thousand, nine hundred thirty-six".