199832290 has 24 divisors (see below), whose sum is σ = 418425372. Its totient is φ = 68513760.

The previous prime is 199832273. The next prime is 199832327. The reversal of 199832290 is 92238991.

It can be written as a sum of positive squares in 2 ways, for example, as 199741689 + 90601 = 14133^2 + 301^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203421 + ... + 204400.

Almost surely, 2^199832290 is an apocalyptic number.

199832290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199832290 is an abundant number, since it is smaller than the sum of its proper divisors (218593082).

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

199832290 is a wasteful number, since it uses less digits than its factorization.

199832290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407842 (or 407835 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 199832290 is about 14136.2049362621. The cubic root of 199832290 is about 584.6400395925.

The spelling of 199832290 in words is "one hundred ninety-nine million, eight hundred thirty-two thousand, two hundred ninety".