196540992 has 140 divisors (see below), whose sum is σ = 601894656. Its totient is φ = 63348480.

The previous prime is 196540987. The next prime is 196541011. The reversal of 196540992 is 299045691.

196540992 is a `hidden beast` number, since 19 + 6 + 540 + 9 + 92 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 160093 + ... + 161315.

Almost surely, 2^196540992 is an apocalyptic number.

196540992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196540992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300947328).

196540992 is an abundant number, since it is smaller than the sum of its proper divisors (405353664).

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

196540992 is a wasteful number, since it uses less digits than its factorization.

196540992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 196540992 is about 14019.3078288480. The cubic root of 196540992 is about 581.4125222951.

The spelling of 196540992 in words is "one hundred ninety-six million, five hundred forty thousand, nine hundred ninety-two".