199246406 has 8 divisors (see below), whose sum is σ = 306947280. Its totient is φ = 96930648.

The previous prime is 199246403. The next prime is 199246427. The reversal of 199246406 is 604642991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199246403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346186 + ... + 1346333.

It is an arithmetic number, because the mean of its divisors is an integer number (38368410).

Almost surely, 2^199246406 is an apocalyptic number.

199246406 is a deficient number, since it is larger than the sum of its proper divisors (107700874).

199246406 is a wasteful number, since it uses less digits than its factorization.

199246406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692558.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 199246406 is about 14115.4669069075. The cubic root of 199246406 is about 584.0681157648.

The spelling of 199246406 in words is "one hundred ninety-nine million, two hundred forty-six thousand, four hundred six".