199379331 has 24 divisors (see below), whose sum is σ = 307008000. Its totient is φ = 124321392.

The previous prime is 199379291. The next prime is 199379357. The reversal of 199379331 is 133973991.

It is not a de Polignac number, because 199379331 - 2⁶ = 199379267 is a prime.

It is a super-2 number, since 2×199379331² = 79504235260015122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199379381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6130 + ... + 20888.

It is an arithmetic number, because the mean of its divisors is an integer number (12792000).

Almost surely, 2^199379331 is an apocalyptic number.

199379331 is a deficient number, since it is larger than the sum of its proper divisors (107628669).

199379331 is a wasteful number, since it uses less digits than its factorization.

199379331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14863 (or 14860 counting only the distinct ones).

The product of its digits is 137781, while the sum is 45.

The square root of 199379331 is about 14120.1746094020. The cubic root of 199379331 is about 584.1979717177.

The spelling of 199379331 in words is "one hundred ninety-nine million, three hundred seventy-nine thousand, three hundred thirty-one".