199996760 has 32 divisors (see below), whose sum is σ = 465512400. Its totient is φ = 77239680.

The previous prime is 199996759. The next prime is 199996813. The reversal of 199996760 is 67699991.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 199996696 and 199996705.

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 7 ways as a sum of consecutive naturals, for example, 85046 + ... + 87365.

Almost surely, 2^199996760 is an apocalyptic number.

199996760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199996760 is an abundant number, since it is smaller than the sum of its proper divisors (265515640).

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

199996760 is a wasteful number, since it uses less digits than its factorization.

199996760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172451 (or 172447 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 56.

The square root of 199996760 is about 14142.0210719685. The cubic root of 199996760 is about 584.8003896864.

The spelling of 199996760 in words is "one hundred ninety-nine million, nine hundred ninety-six thousand, seven hundred sixty".