195804026 has 32 divisors (see below), whose sum is σ = 329522688. Its totient is φ = 86491440.

The previous prime is 195804023. The next prime is 195804047. The reversal of 195804026 is 620408591.

It is not an unprimeable number, because it can be changed into a prime (195804023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248405 + ... + 249191.

It is an arithmetic number, because the mean of its divisors is an integer number (10297584).

Almost surely, 2^195804026 is an apocalyptic number.

195804026 is a deficient number, since it is larger than the sum of its proper divisors (133718662).

195804026 is a wasteful number, since it uses less digits than its factorization.

195804026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 195804026 is about 13992.9991781605. Note that the first 3 decimals coincide. The cubic root of 195804026 is about 580.6849082896.

The spelling of 195804026 in words is "one hundred ninety-five million, eight hundred four thousand, twenty-six".