196696540 has 12 divisors (see below), whose sum is σ = 413062776. Its totient is φ = 78678608.

The previous prime is 196696469. The next prime is 196696541. The reversal of 196696540 is 45696691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196696541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4917394 + ... + 4917433.

It is an arithmetic number, because the mean of its divisors is an integer number (34421898).

Almost surely, 2^196696540 is an apocalyptic number.

196696540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196696540 is an abundant number, since it is smaller than the sum of its proper divisors (216366236).

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

196696540 is a wasteful number, since it uses less digits than its factorization.

196696540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9834836 (or 9834834 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 196696540 is about 14024.8543664453. The cubic root of 196696540 is about 581.5658638556.

The spelling of 196696540 in words is "one hundred ninety-six million, six hundred ninety-six thousand, five hundred forty".