199900530 has 48 divisors (see below), whose sum is σ = 527514624. Its totient is φ = 52509600.

The previous prime is 199900523. The next prime is 199900531. The reversal of 199900530 is 35009991.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (199900531) 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 23 ways as a sum of consecutive naturals, for example, 10546 + ... + 22605.

It is an arithmetic number, because the mean of its divisors is an integer number (10989888).

Almost surely, 2^199900530 is an apocalyptic number.

199900530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199900530 is an abundant number, since it is smaller than the sum of its proper divisors (327614094).

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

199900530 is a wasteful number, since it uses less digits than its factorization.

199900530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33231 (or 33228 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 36.

The square root of 199900530 is about 14138.6183907764. The cubic root of 199900530 is about 584.7065808839.

The spelling of 199900530 in words is "one hundred ninety-nine million, nine hundred thousand, five hundred thirty".