196861958 has 16 divisors (see below), whose sum is σ = 297250560. Its totient is φ = 97781256.

The previous prime is 196861939. The next prime is 196861963. The reversal of 196861958 is 859168691.

196861958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349385 + ... + 349947.

It is an arithmetic number, because the mean of its divisors is an integer number (18578160).

Almost surely, 2^196861958 is an apocalyptic number.

196861958 is a deficient number, since it is larger than the sum of its proper divisors (100388602).

196861958 is a wasteful number, since it uses less digits than its factorization.

196861958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411.

The product of its digits is 933120, while the sum is 53.

The square root of 196861958 is about 14030.7504432229. The cubic root of 196861958 is about 581.7288467374.

The spelling of 196861958 in words is "one hundred ninety-six million, eight hundred sixty-one thousand, nine hundred fifty-eight".