196607994 has 64 divisors (see below), whose sum is σ = 447552000. Its totient is φ = 57032640.

The previous prime is 196607989. The next prime is 196608007. The reversal of 196607994 is 499706691.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265677 + ... + 266415.

It is an arithmetic number, because the mean of its divisors is an integer number (6993000).

Almost surely, 2^196607994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196607994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223776000).

196607994 is an abundant number, since it is smaller than the sum of its proper divisors (250944006).

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

196607994 is a wasteful number, since it uses less digits than its factorization.

196607994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 196607994 is about 14021.6972581781. The cubic root of 196607994 is about 581.4785837912.

The spelling of 196607994 in words is "one hundred ninety-six million, six hundred seven thousand, nine hundred ninety-four".