199499804 has 12 divisors (see below), whose sum is σ = 398999664. Its totient is φ = 85499904.

The previous prime is 199499801. The next prime is 199499813. The reversal of 199499804 is 408994991.

199499804 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199499801) 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, 3562469 + ... + 3562524.

It is an arithmetic number, because the mean of its divisors is an integer number (33249972).

Almost surely, 2^199499804 is an apocalyptic number.

199499804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

199499804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

199499804 is a wasteful number, since it uses less digits than its factorization.

199499804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125004 (or 7125002 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 199499804 is about 14124.4399534990. The cubic root of 199499804 is about 584.3156133194.

The spelling of 199499804 in words is "one hundred ninety-nine million, four hundred ninety-nine thousand, eight hundred four".