199987300 has 36 divisors (see below), whose sum is σ = 452846016. Its totient is φ = 76516000.

The previous prime is 199987297. The next prime is 199987301. The reversal of 199987300 is 3789991.

199987300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×199987300² = 79989840322580000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (199987301) 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, 41176 + ... + 45775.

It is an arithmetic number, because the mean of its divisors is an integer number (12579056).

Almost surely, 2^199987300 is an apocalyptic number.

199987300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199987300 is an abundant number, since it is smaller than the sum of its proper divisors (252858716).

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

199987300 is a wasteful number, since it uses less digits than its factorization.

199987300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86988 (or 86981 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 199987300 is about 14141.6866037966. The cubic root of 199987300 is about 584.7911690388.

The spelling of 199987300 in words is "one hundred ninety-nine million, nine hundred eighty-seven thousand, three hundred".