199628600 has 48 divisors (see below), whose sum is σ = 471774120. Its totient is φ = 78537600.

The previous prime is 199628593. The next prime is 199628609. The reversal of 199628600 is 6826991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199628609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4019 + ... + 20381.

Almost surely, 2^199628600 is an apocalyptic number.

199628600 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 199628600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235887060).

199628600 is an abundant number, since it is smaller than the sum of its proper divisors (272145520).

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

199628600 is a wasteful number, since it uses less digits than its factorization.

199628600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16440 (or 16431 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 199628600 is about 14128.9985490834. The cubic root of 199628600 is about 584.4413299412.

Adding to 199628600 its sum of digits (41), we get a square (199628641 = 14129²).

The spelling of 199628600 in words is "one hundred ninety-nine million, six hundred twenty-eight thousand, six hundred".