199393230 has 32 divisors (see below), whose sum is σ = 479001600. Its totient is φ = 53120672.

The previous prime is 199393219. The next prime is 199393253. The reversal of 199393230 is 32393991.

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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37051 + ... + 42089.

It is an arithmetic number, because the mean of its divisors is an integer number (14968800).

Almost surely, 2^199393230 is an apocalyptic number.

199393230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199393230 is an abundant number, since it is smaller than the sum of its proper divisors (279608370).

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

199393230 is a wasteful number, since it uses less digits than its factorization.

199393230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368.

The product of its (nonzero) digits is 39366, while the sum is 39.

The square root of 199393230 is about 14120.6667689596. Note that the first 3 decimals coincide. The cubic root of 199393230 is about 584.2115464764.

The spelling of 199393230 in words is "one hundred ninety-nine million, three hundred ninety-three thousand, two hundred thirty".