195998824 has 48 divisors (see below), whose sum is σ = 446104800. Its totient is φ = 80343648.

The previous prime is 195998809. The next prime is 195998897. The reversal of 195998824 is 428899591.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1854 + ... + 19885.

It is an arithmetic number, because the mean of its divisors is an integer number (9293850).

Almost surely, 2^195998824 is an apocalyptic number.

195998824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

195998824 is an abundant number, since it is smaller than the sum of its proper divisors (250105976).

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

195998824 is a wasteful number, since it uses less digits than its factorization.

195998824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21782 (or 21771 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 55.

The square root of 195998824 is about 13999.9579999370. The cubic root of 195998824 is about 580.8774115969.

The spelling of 195998824 in words is "one hundred ninety-five million, nine hundred ninety-eight thousand, eight hundred twenty-four".