195890504 has 16 divisors (see below), whose sum is σ = 368323200. Its totient is φ = 97670992.

The previous prime is 195890479. The next prime is 195890509. The reversal of 195890504 is 405098591.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (195890509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31232 + ... + 36975.

It is an arithmetic number, because the mean of its divisors is an integer number (23020200).

Almost surely, 2^195890504 is an apocalyptic number.

It is an amenable number.

195890504 is a deficient number, since it is larger than the sum of its proper divisors (172432696).

195890504 is a wasteful number, since it uses less digits than its factorization.

195890504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68572 (or 68568 counting only the distinct ones).

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

The square root of 195890504 is about 13996.0888822556. The cubic root of 195890504 is about 580.7703833426.

The spelling of 195890504 in words is "one hundred ninety-five million, eight hundred ninety thousand, five hundred four".