195797824 has 14 divisors (see below), whose sum is σ = 388536434. Its totient is φ = 97898880.

The previous prime is 195797809. The next prime is 195797851. The reversal of 195797824 is 428797591.

It can be written as a sum of positive squares in only one way, i.e., 157753600 + 38044224 = 12560^2 + 6168^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1529607 + ... + 1529734.

Almost surely, 2^195797824 is an apocalyptic number.

It is an amenable number.

195797824 is a deficient number, since it is larger than the sum of its proper divisors (192738610).

195797824 is an equidigital number, since it uses as much as digits as its factorization.

195797824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059353 (or 3059343 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 52.

The square root of 195797824 is about 13992.7775655872. Note that the first 3 decimals coincide. The cubic root of 195797824 is about 580.6787772515.

The spelling of 195797824 in words is "one hundred ninety-five million, seven hundred ninety-seven thousand, eight hundred twenty-four".