199293880 has 32 divisors (see below), whose sum is σ = 448840800. Its totient is φ = 79641216.

The previous prime is 199293847. The next prime is 199293883. The reversal of 199293880 is 88392991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199293883) 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 7 ways as a sum of consecutive naturals, for example, 60106 + ... + 63334.

It is an arithmetic number, because the mean of its divisors is an integer number (14026275).

Almost surely, 2^199293880 is an apocalyptic number.

199293880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199293880 is an abundant number, since it is smaller than the sum of its proper divisors (249546920).

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

199293880 is a wasteful number, since it uses less digits than its factorization.

199293880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783 (or 4779 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 199293880 is about 14117.1484372730. The cubic root of 199293880 is about 584.1145002866.

The spelling of 199293880 in words is "one hundred ninety-nine million, two hundred ninety-three thousand, eight hundred eighty".