199601804 has 6 divisors (see below), whose sum is σ = 349303164. Its totient is φ = 99800900.

The previous prime is 199601771. The next prime is 199601807. The reversal of 199601804 is 408106991.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (199601807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24950222 + ... + 24950229.

It is an arithmetic number, because the mean of its divisors is an integer number (58217194).

Almost surely, 2^199601804 is an apocalyptic number.

It is an amenable number.

199601804 is a deficient number, since it is larger than the sum of its proper divisors (149701360).

199601804 is a wasteful number, since it uses less digits than its factorization.

199601804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49900455 (or 49900453 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 199601804 is about 14128.0502547238. The cubic root of 199601804 is about 584.4151790613.

The spelling of 199601804 in words is "one hundred ninety-nine million, six hundred one thousand, eight hundred four".