199499601 has 48 divisors (see below), whose sum is σ = 332943360. Its totient is φ = 103692960.

The previous prime is 199499593. The next prime is 199499623. The reversal of 199499601 is 106994991.

It is not a de Polignac number, because 199499601 - 2³ = 199499593 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199499101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1570800 + ... + 1570926.

It is an arithmetic number, because the mean of its divisors is an integer number (6936320).

Almost surely, 2^199499601 is an apocalyptic number.

It is an amenable number.

199499601 is a deficient number, since it is larger than the sum of its proper divisors (133443759).

199499601 is a wasteful number, since it uses less digits than its factorization.

199499601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 48.

The square root of 199499601 is about 14124.4327673716. The cubic root of 199499601 is about 584.3154151302.

The spelling of 199499601 in words is "one hundred ninety-nine million, four hundred ninety-nine thousand, six hundred one".