199483830 has 256 divisors, whose sum is σ = 685117440. Its totient is φ = 40144896.

The previous prime is 199483829. The next prime is 199483859. The reversal of 199483830 is 38384991.

199483830 is a `hidden beast` number, since 1 + 99 + 483 + 83 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 564934 + ... + 565286.

It is an arithmetic number, because the mean of its divisors is an integer number (2676240).

Almost surely, 2^199483830 is an apocalyptic number.

199483830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 199483830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342558720).

199483830 is an abundant number, since it is smaller than the sum of its proper divisors (485633610).

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

199483830 is a wasteful number, since it uses less digits than its factorization.

199483830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 199483830 is about 14123.8744684311. The cubic root of 199483830 is about 584.3000174699.

It can be divided in two parts, 19 and 9483830, that added together give a palindrome (9483849).

The spelling of 199483830 in words is "one hundred ninety-nine million, four hundred eighty-three thousand, eight hundred thirty".