195894998 has 12 divisors (see below), whose sum is σ = 318185028. Its totient is φ = 90412920.

The previous prime is 195894991. The next prime is 195895001. The reversal of 195894998 is 899498591.

It is a self number, because there is not a number n which added to its sum of digits gives 195894998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195894991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289448 + ... + 290123.

It is an arithmetic number, because the mean of its divisors is an integer number (26515419).

Almost surely, 2^195894998 is an apocalyptic number.

195894998 is a deficient number, since it is larger than the sum of its proper divisors (122290030).

195894998 is a wasteful number, since it uses less digits than its factorization.

195894998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579599 (or 579586 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 62.

The square root of 195894998 is about 13996.2494261856. The cubic root of 195894998 is about 580.7748245348.

The spelling of 195894998 in words is "one hundred ninety-five million, eight hundred ninety-four thousand, nine hundred ninety-eight".