196497688 has 16 divisors (see below), whose sum is σ = 368812080. Its totient is φ = 98147808.

The previous prime is 196497673. The next prime is 196497701. The reversal of 196497688 is 886794691.

It is a super-2 number, since 2×196497688² = 77222682778690688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4020 + ... + 20227.

It is an arithmetic number, because the mean of its divisors is an integer number (23050755).

Almost surely, 2^196497688 is an apocalyptic number.

It is an amenable number.

196497688 is a deficient number, since it is larger than the sum of its proper divisors (172314392).

196497688 is a wasteful number, since it uses less digits than its factorization.

196497688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25266 (or 25262 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 58.

The square root of 196497688 is about 14017.7633023247. The cubic root of 196497688 is about 581.3698181634.

The spelling of 196497688 in words is "one hundred ninety-six million, four hundred ninety-seven thousand, six hundred eighty-eight".