199893120 has 256 divisors, whose sum is σ = 740275200. Its totient is φ = 44937216.

The previous prime is 199893119. The next prime is 199893139. The reversal of 199893120 is 21398991.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1438011 + ... + 1438149.

It is an arithmetic number, because the mean of its divisors is an integer number (2891700).

Almost surely, 2^199893120 is an apocalyptic number.

199893120 is a gapful number since it is divisible by the number (10) 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 199893120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370137600).

199893120 is an abundant number, since it is smaller than the sum of its proper divisors (540382080).

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

199893120 is a wasteful number, since it uses less digits than its factorization.

199893120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 199893120 is about 14138.3563401125. The cubic root of 199893120 is about 584.6993560751.

The spelling of 199893120 in words is "one hundred ninety-nine million, eight hundred ninety-three thousand, one hundred twenty".