196897992 has 32 divisors (see below), whose sum is σ = 499596000. Its totient is φ = 64652544.

The previous prime is 196897951. The next prime is 196898017. The reversal of 196897992 is 299798691.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59617 + ... + 62832.

It is an arithmetic number, because the mean of its divisors is an integer number (15612375).

Almost surely, 2^196897992 is an apocalyptic number.

196897992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

196897992 is an abundant number, since it is smaller than the sum of its proper divisors (302698008).

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

196897992 is a wasteful number, since it uses less digits than its factorization.

196897992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122525 (or 122521 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 60.

The square root of 196897992 is about 14032.0344925460. The cubic root of 196897992 is about 581.7643381695.

The spelling of 196897992 in words is "one hundred ninety-six million, eight hundred ninety-seven thousand, nine hundred ninety-two".