195805500 has 96 divisors (see below), whose sum is σ = 622073088. Its totient is φ = 47464000.

The previous prime is 195805487. The next prime is 195805513. The reversal of 195805500 is 5508591.

It is an interprime number because it is at equal distance from previous prime (195805487) and next prime (195805513).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10567 + ... + 22433.

It is an arithmetic number, because the mean of its divisors is an integer number (6479928).

Almost surely, 2^195805500 is an apocalyptic number.

195805500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195805500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311036544).

195805500 is an abundant number, since it is smaller than the sum of its proper divisors (426267588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195805500 is a wasteful number, since it uses less digits than its factorization.

195805500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11900 (or 11888 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 33.

The square root of 195805500 is about 13993.0518472562. The cubic root of 195805500 is about 580.6863654053.

The spelling of 195805500 in words is "one hundred ninety-five million, eight hundred five thousand, five hundred".