196309916 has 18 divisors (see below), whose sum is σ = 377613600. Its totient is φ = 89231560.

The previous prime is 196309907. The next prime is 196309943. The reversal of 196309916 is 619903691.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 202316 + ... + 203283.

Almost surely, 2^196309916 is an apocalyptic number.

It is an amenable number.

196309916 is a deficient number, since it is larger than the sum of its proper divisors (181303684).

196309916 is a wasteful number, since it uses less digits than its factorization.

196309916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405625 (or 405612 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 196309916 is about 14011.0640566661. The cubic root of 196309916 is about 581.1845746532.

The spelling of 196309916 in words is "one hundred ninety-six million, three hundred nine thousand, nine hundred sixteen".