199725346 has 8 divisors (see below), whose sum is σ = 304499484. Its totient is φ = 98225520.

The previous prime is 199725341. The next prime is 199725373. The reversal of 199725346 is 643527991.

It is a happy number.

199725346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 172633321 + 27092025 = 13139^2 + 5205^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 199725296 and 199725305.

It is not an unprimeable number, because it can be changed into a prime (199725341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818425 + ... + 818668.

Almost surely, 2^199725346 is an apocalyptic number.

199725346 is a deficient number, since it is larger than the sum of its proper divisors (104774138).

199725346 is a wasteful number, since it uses less digits than its factorization.

199725346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637156.

The product of its digits is 408240, while the sum is 46.

The square root of 199725346 is about 14132.4218023664. The cubic root of 199725346 is about 584.5357272860.

The spelling of 199725346 in words is "one hundred ninety-nine million, seven hundred twenty-five thousand, three hundred forty-six".