196891695 has 256 divisors, whose sum is σ = 495452160. Its totient is φ = 71539200.

The previous prime is 196891609. The next prime is 196891703. The reversal of 196891695 is 596198691.

It is not a de Polignac number, because 196891695 - 2⁷ = 196891567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 4189162 + ... + 4189208.

It is an arithmetic number, because the mean of its divisors is an integer number (1935360).

Almost surely, 2^196891695 is an apocalyptic number.

196891695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

196891695 is an abundant number, since it is smaller than the sum of its proper divisors (298560465).

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

196891695 is a wasteful number, since it uses less digits than its factorization.

196891695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 117 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The square root of 196891695 is about 14031.8101113149. The cubic root of 196891695 is about 581.7581362964.

The spelling of 196891695 in words is "one hundred ninety-six million, eight hundred ninety-one thousand, six hundred ninety-five".