199855004 has 12 divisors (see below), whose sum is σ = 364952784. Its totient is φ = 95582784.

The previous prime is 199855001. The next prime is 199855031. The reversal of 199855004 is 400558991.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199855001) 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, 1086077 + ... + 1086260.

It is an arithmetic number, because the mean of its divisors is an integer number (30412732).

Almost surely, 2^199855004 is an apocalyptic number.

It is an amenable number.

199855004 is a deficient number, since it is larger than the sum of its proper divisors (165097780).

199855004 is a wasteful number, since it uses less digits than its factorization.

199855004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172364 (or 2172362 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 199855004 is about 14137.0083115205. The cubic root of 199855004 is about 584.6621898512.

The spelling of 199855004 in words is "one hundred ninety-nine million, eight hundred fifty-five thousand, four".